Jeffrey Wyatt is the widowed father of identical teen triplet daughters, Lisa, Jessie, and Megan. As he picks his daughters up from the airport, he neglects to tell them over the summer he has become engaged to Cassie McGuire. Cassie wants to redesign their California beach house with the help of house designer Susan Evers. Jeffrey initially doesn't like Susan's ideas, but comes around to allowing them due to Cassie.