Harper Day has lived next to the Wilkerson family for years and had befriended Malcolm even developing a crush on the boy. Harper stands watch everyday as Malcolm finds a new girl to mess with, she never complains. But when Harper had had enough she stops talking to Malcolm and even spend her time with Reese, Malcolm becomes jealous as Reese admits to him that he likes Harper. How will Malcolm react? And how will Harper deal with Reese's crush?