The Thompsons open their door to an orphaned teen who says she's family, never guessing she's got ulterior motives. Now the con is on.

Molly and Jeremy attempt to cheat Nick in the "chore market." All the while, Nick's cooking up a bait and switch at Liz's restaurant.

Nick turns the school's costume dance into a scheme targeting the socially clueless. But it only fuels Jeremy's suspicions that something is up.

In a bid to gain Jeremy’s trust, Nick suggests he run for student body president - then offers her services as his campaign manager.