A storm was coming as thunder rumbled in the sky and lightning flashed. Toby ran through the streets as fast as his legs could take him, with our heroes holding onto his leash so they won't fall off. During the ride, Basil had taken off his chimney sweep disguise, and was in his Inverness cape and Deerstalker cap again. Suddenly, they heard a police whistle. Behind them were four miniature police paddy wagons. Lawless could be seen in the first one.

Basil: Well, if it isn't Inspector Lawless, still on the hunt for me.

Dawson: Can't we stop and show him that Rosa is alive? She's living proof that you're innocent!

Basil: We can't stop now! We must get to Westminster Abbey before its over!

Relda: But we'll never make it with the police on our tail!

Cyril: Oh, yes we will! Follow me!

High above, Cyril and the Irregulars could see Westminster Abbey far ahead. Toby knocked down a fruit cart and fruit tumbled into the streets. The paddy wagons screeched to a halt, but Lawless was thrown from his seat and he crashed through an apple.

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At Westminster Abbey, civilians had gotten settled in and waited for the ceremony to begin with. Trumpets sounded and the doors opened. Lady Caroline, or Mrs. Ratigan, walked elegantly down the aisle. The crowd applauded for her. The Prime Minister, Sir Harvey Mousebell-Bannerman, watched in awe as Lady Caroline came towards the altar looking as radiant as ever. But everyone had failed to see the devious grin Lady Caroline had on her face.

Outside, Fidget came out on the balcony with the tied up Moustoria. Slyder slithered up towards them, licking his lips.

Fidget: Hey snake-breath! It's supper time!

The snake slid his coils around Moustoria. But just before he can swallow her whole, Cyril swooped down and scratched the snake in the eye. Slyder let out a shriek and he released Moustoria. Basil and the gang rushed over to free her.

Before the snake could finish them off, Toby tackled the snake. He hit into the snake's coils as Slyder wrapped his body around the dog's neck. Cyril flew down and pecked the snake on the head to make him let go of Toby. Having enough, Slyder slid away.

Dawson: Are you alright, Your Majesty?

Queen Moustoria: Yes. Thank you all!

Just then, Doran had come down the hallway when he heard Slyder's shrieking and Cyril's squawking.

Doran: Fidget, what's going on out here?! (sees Basil) Aaah! Basil?! You were supposed to drown! Well I'll soon fix that!

He cocked his air gun and shot at Basil, but he was quick enough to dodge the bullet, like everyone else did. Then Basil lunged for Doran, his arms around his neck to try and hold him back. But Doran slammed himself, and Basil, on the wall, knocking Basil into a stupor. Before he could shoot him, Dawson tackled Doran, but he was shoved to the ground. Rosa wrapped a watch chain around Doran's neck to try to strangle him. Doran managed to yank the chain off his neck, and he grabbed Relda and threw her towards the wall. But this distraction gave Relda time to steal Doran's air gun and aim it right at him. The Irregulars quickly tied up Doran, running around him in circles. Dawson and Queen Moustoria also tied up Fidget.

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Inside the Abbey, the Bishop had taken Moustoria's crown from a pillow case. Lady Caroline leaned forward so the crown could be placed on her head. But just before the crown could be placed on Mrs. Ratigan's head, the doors burst open.

Queen Moustoria: HALT! I forbid this ceremony!

Standing by the doors were Moustoria, Basil, Dawson, Rosa, Relda, and the Irregulars. The crowd gasped in surprise to see that their beloved Queen Moustoria was alive. In the crowd, Olivia, Hiram, and Clifford were surprised to see Basil and company. Mrs. Ratigan, the Prime Minister, and the Bishop stared in disbelief.

Prime Minister: Your Majesty? You're alive? But we were told you died over a sickness!

Queen Moustoria: I am not dead, and I did not write a will to let that wretched woman become my royal consort! She has deceived you all!

Everyone looked at Lady Caroline, who tried to look innocent. At that moment, Inspector Lawless and the police arrived, covered in sticky juice from the fruit.

Lawless: Now I've got you, Basil! You're under arrest!

Queen Moustoria: What is the meaning of this, Inspector? Mr. Basil saved my life!

Lawless: Need I remind you Your Majesty that he stabbed Miss Rosa Spellcove to death and should be arrested and tried for his crime.

Before he could handcuff Basil, Rosa pushed Lawless backwards, dropping the handcuffs, and she shook her finger at him, telling him off.

Rosa: (yells) How dare you accuse Basil for a crime he didn't commit! How could I be dead if I'm standing right here?! I've been imprisoned down in the sewers the whole time when these foolish accusations started! What is your problem?! How can a stubborn, hot-headed police mouse like you believe the lies of a woman who calls herself Lady Caroline?!

While she shouted at him, Lawless fell backward and knocked down a candlestick, with Basil secretly enjoying watching Rosa telling off Lawless. The crowd whispered among themselves, pondering over what Rosa said.

Prime Minister: (dubious) How can you be so sure that you're the real Rosa Spellcove and that this woman here lied?

Then, Superintendent Bigelow entered, huffing and puffing.

Bigelow: Lawless, I've been looking everywhere for you! The doctors at the morgue have discovered that the body we found at the attic had actually died of diphtheria, and her face was covered in gray paint. Which means the young lady isn't Rosa Spellcove but an imposter. (looks around) Oh! Hello everyone. What's the occasion?

Sir Evens: I don't understand. If she's alive, whose body was it the police found?

Rosa: That was my sister Mara! She died of a disease! My mother stabbed the body and placed the knife in Basil's hand to look like he did it! She put makeup on Mara's face and made her wear the same dress I'm wearing to make her look like me!

As she spoke, she pointed her finger at her mother while making her way down the aisle to confront her.

Rosa: My real name is Rosaline Ratigan! I am the daughter of the late Professor Ratigan! And this woman is Mrs. Claudina Groschili Ratigan, his widow! She's not an English woman, she's Italian!

Mrs. Ratigan: Don't listen to her! She's lost her mind!

Rosa: She's an imposter, a liar, and the leader of the Anti-Basil League!

Mrs. Ratigan: (under her breath) Silence you little brat!

Rosa: She's the one responsible for the prison breakout, and the thefts of her own painting, the Duchess' necklace, and the mace, and the abduction of Olivia Flaversham, and the attempted murder of Miss Relda, and for framing Basil for my supposed death!

Mrs. Ratigan's temper flared and her face turned red.

Rosa: You lied to the Queen, you lied to the police, you lied to the public, you lied to me, you lied to everyone, mama!

No sooner Rosa finished her sentence, Billy and Daniel hurled a bucket of water at Mrs. Ratigan's face. The water washed away the brown makeup on her face, revealing her silver white fur. Then Rosa ripped her mother's blonde wig off, exposing her long black hair. She even tore her mom's red gown off, showing her black opera dress.

Mrs. Ratigan glared at Rosa, and cursed at her in Italian. Now that the lies and the fraud have been exposed, the crowd was outraged.

Sir Evens: Fellow mice, we've been deceived!

Prime Minister: You devious wretch!

Hiram: You despicable, heartless, monster!

Basil: (points at Mrs. Ratigan) Claudina Groschili Ratigan, you're under arrest!

With that, the crowd seized forward to pounce on Mrs. Ratigan, who called for her minions to attack. Her thug henchmen charged at the crowd and the police. Soon, everyone in the abbey was fighting.

Some Civilians and police mice pinned down Mrs. Ratigan. She watched as Basil, in the distance, helped Rosa try to make their escape, and the two smiled at one another lovingly. Anger and rage grew within Mrs. Ratigan and, like her late husband, her sanity snapped. With a new amount of strength, she threw her attackers away, freeing herself.

One of the civilians, a man, was thrown onto a tall candelabrum, knocking it down and several more, creating a fire. The fire spread quickly. Everyone ran for the exit, screaming and panicking. Rosa tripped and fell. Mrs. Ratigan grabbed her, and ran for the staircase. Rosa's screams alerted Basil.

Rosa: BASIL! HELP ME!

Basil: ROSA!

He picked up an old sword, and dashed after the two women. During the chase, Mrs. Ratigan's dress became torn and ragged, and she started to run on four. Up on the rooftop, Basil found that the two Ratigan women had vanished. He looked around cautiously as he walked further onto the roof.

Then his ears perked up. He heard a low clear whistle. He knew that whistle anywhere. At that moment, Slyder appeared from behind Basil, hissing furiously. The snake snapped at him a couple times, and Basil quickly avoided the poison the serpent shot at him with, and struck the snake with a couple blows with the sword. Of course he knew that this snake is a swamp adder, the deadliest snake in India.

Nearby, Mrs. Ratigan crept up behind Basil like a tiger, ready to pounce. Before she could, Rosa jumped on her, distracting her from Basil. Once the two women faced each other, Rosa gazed with horror at her mother's appearance. She now longer looked like a lady, but a demon from a nightmare. Her dress was torn and ragged, her hands exposed long razor-sharp claws, her teeth resembled fangs from a vampire, and she had hair like Medusa.

Rosa: (shocked) Mama….what happened to you?

Mrs. Ratigan: Don't try to interfere!

She knocked her down with a single blow. Basil had seen what had happened, but this distraction made Slyder wrap his coils around him, and began squeezing the life out of him. But Basil still had the sword in his hand and he stabbed it through the snake's neck before the serpent could bite him. Slyder shrieked and let go of Basil, who gasped for air. Slyder suddenly lost his balance and fell to the grounds below.

Mrs. Ratigan: MY BABY!

Enraged, Mrs. Ratigan pounced on Basil. Her sharp claws dug into his fur as she ripped into his jacket, her claws piercing into his fur. Basil let out cries of pain. His cries woke Rosa, who saw Basil getting a good beating out the woman she used to call mother. Now it was her turn to get angry, as she unsheathed her own claws. Basil now lay hurt and exhausted. Mrs. Ratigan towered over him, grinning like a monster. Her face, that smile, and those eyes were just like the ones Ratigan gave him on that fight on Big Ben long ago. It was like a nightmare coming back to him.

Mrs. Ratigan: And now, goodbye Basil of Baker Street! (rears back for a final blow) This is for you, Padriac.

Suddenly, out of nowhere, Rosa leapt right onto her mom. Her own claws pierced into her fur. Mrs. Ratigan screamed and turned to face Rosa. Mother and daughter fought like two angry cats, tearing into each other's fur. Just before Mrs. Ratigan could finish her off, the abbey's bells chimed. The vibrations made Mrs. Ratigan lose her footing and slipped off the ledge, taking Rosa with her.

Basil: NOOOO!

But Basil could only watch helplessly as the two Ratigan women fell screaming off the rooftop, disappearing into the fire below, similar to Professor Ratigan's demise. Basil could not keep the tears in as he mourned for the loss of his beloved. Rain fell from the sky, putting out the fire, and to add to this sad, tragic night.