Sam notices that Cat has been spending lots of money. When she asks where it's coming from, Cat takes Sam to a "Magic ATM" that gives her free money. Sam worries that this might not be legal.
Cat's friend Jade comes to L.A. and Sam became friends with her. Cat invites Sam's old friend (and ex-boyfriend) to L.A. and things turn out so weird. Meanwhile, Dice gets a lot of tuna and it goes weird too.
Cat invents a holiday, "Yay Day", which is just an excuse to buy presents for everyone. When Cat snoops what other people have gotten her, she discovers an insulting present from Sam.
Sam and Cat notice everyone, including their friends, are becoming obsessed with a new phone game, "Brain Crush." The game distracts the audience at Cat's one woman show.
Sam & Cat must find a way to enjoy their favorite drink after it's been banned from California. But once they manage to have as much of it as possible and share it with everyone else, they find the authorities are searching for the seller.