When Kit Mercer got married and moved her adopted daughter, Natalie Knight, in with her new stepson, Ricky Spanish, she didn't expect the two kids to hit it off so well. Kit has long suspected something is up between Natalie and Ricky, but when she confronts Natalie her daughter denies everything. Later, Natalie tells Ricky that they need to quit their fucking around because her mom is on to them. The family all takes time to put on their themed costumes, which is when things get interesting.