Our story opens with Gadget, Brain, William and the girls eating breakfast.
"A good healthy breakfast for my two angels and my son to start the day," said Gadget as he gives Penny, Marina, and William a plate of eggs, bacon, toast and a full serving of fruit.
"After all, as the top-notch crime fighter's in the history of Metro City, we must be constantly alert," said Marina as she dug in. "Mickeys sleeping over with Jackie."
Suddenly the top-secret Gadget Phone rang.
"Is that you, chief? Where are you? We'll be right there!" answered Gadget.
They quickly finish their breakfast and rush outside to see Chief Quimby in Gadget's flower patch.
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"Here's your assignment," he said and hands them a folder. Penny took the assignment and read it.
"Ultra luxury cruise starts today. Doctor Claw and minions might steal $20 Million dollars' worth of jewelry. Go on the ship and protect jewels. No one must suspect you and the G Squad are on the ship. Enclosed are six invitations with your names on them. PS This Message will self destruct.
"Don't worry, Chief. We are always on duty!" Penny replied as she balled up the message and threw it at the Chief.
"Oh no!" yelled the Chief as he tried to run but the message blew up leaving him covered in soot. "That girl is becoming more like her uncle. Why me?"
Meanwhile at Claws Headquarters...
"Oh, Gadget and your annoying brats! You'll never stop me because you'll get blown up by my MAD Milkman!" cackled Claw
Back with Gadget...
A MAD Agent disguised as a Milkman put a ticking milk bottle on the doorstep.
Gadget steps outside and sees a Milk bottle there.
"Kids, here's the Milk." he passed it to Penny
"Oh, no a bomb! William get rid of it!" screamed Penny.
William throws the milk bottle to the milkman and it blows up.
"Wowsers! That was close. Come on, we've got a boat to catch," said Gadget.
They get to the dock with Mickey and Jackie in tow and quickly get on board.
Unknown to our protagonists, MAD Agents were replacing the crew.
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The Cruise ship departs and while Gadget was in the ballroom, the kids were in their stateroom.
"Penny, what should we do?" asked Marina as they sat down.
"Well I was thinking William and Brain disguise themselves as waiters while Marina, Jackie, Mickey, and I investigate the ship in separate places," replied Penny.
"Okay. I will go out side on deck. Mickey, you and Jackie snoop on the higher decks and Penny, you investigate the on the lower decks," said Marina
"Right, Marina!" They all separate as the ship departs.
"Wowsers in our new adventure Claw is stealing Rare gems I hope the G Squad stops him in time.