Basil was a famous detective for a reason; his keen observance was the main reason.

When he was at Madam Boucherie's ball, he saw Ratigan there. The fact that the Professor was alive didn't really surprise him, the rat had ways to get out in tricky situations. He knows that Ratigan is planning a comeback, doing crimes here and there.

His escort at the ball, however, is what caught his eye.

She was pretty brown mouse with odd eyes. He could tell from her body language that she was familiar and comfortable with Ratigan, who also looked very relaxed around her. He actually seemed...affectionate towards her.

He watched as they danced together in the ballroom, seeming in their own little world. It looked like they were looking at each other with love. That was laughable; Ratigan...in love? Basil doesn't think Ratigan is capable of love. He wondered briefly if they were lovers or just an escort he needed.

Later, when he saw Ratigan escaping on the crow with the other mouse, he couldn't believe he saw that lady mouse again. He took notice of her outfit and , seeing the black mask that was pulled over her face. He wondered briefly if she was the famed Black Mask Thief, but his mind turned to the present as he tried to thwart their escape. But they managed to fly off.

Basil realized there was a connection between the thief and Ratigan, so he decided to start investigating this woman. So far,t he only thing he heard from the crime gossip was a name.

Isabelle Cassidy.

Who is she?

Where's she from?

Whats her occupation?

And more importantly...

What is her connection to Professor Ratigan?

AN: Here is the first chapter of my newest GMD story! This might take some time to finish because this is told through Basil's point of view. For some reason, he harder to write then Ratigan, I'm so used to writing the professor. He's a bit more predictable. Suave villain and all.

The events that Basil is thinking about is from my main GMD story, Into the Night, particularly chapters 23 and 26. More specifically; Twilight chapters 8 and 10.

If you are wondering how Basil got her name and why he hasn't arrested her, he just keeps both ears to the ground and he needs proof that Isabelle did her crimes. Why you think he hasn't arrested Ratigan all that time?

So stay tuned as Basil investigates. Comments are loved! I don't own Basil or Ratigan, just Isabelle!