When Marinette  woke up one morning and checked the Ladyblog, and saw no one was using Ladybug as a subject for inappropriate jokes or love confessions, she knew something was up.

She scrolled through the Ladyblog, seeing more and more people having posts about Lila. Almost twenty people!

What is happening?

Adrien knew something was up after he woke up from dreaming about Lila. It was the kinda dream where. . . . .things happened. Not exactly PG things. 

He pictured Lila in his head as she had been in his dream, next to Scarletta Scoundrel in her skunk outfit. He still agreed that Scarletta was better. 

And yet, something told him it wouldn't be like that for long.

Percy knew something was up when he felt slightly bad about rejecting Lila. Which was weird 'cause well. . . .the bitch deserved it.

And well. . . .Amila knew something was up when she decided to get off her ass and take a walk, and tripped. Her hand landed in a puddle of mirky water. Her hand scraped a rock, and she was alarmed by the freezing temperature it was. She dragged herself up off the pavement and trapped the thing in the puddle.

It chilled her fingers to the bone. 

Chilled. . . . .Freezing temperature. . . . This was one of the gems! She slipped the gem into her bag and walked home.

 And yet. . . .something was up.

Idk, man. I'm throwing this plot together on the spot.