Charlie Harper is a wealthy bachelor with a house on the beach and an easy way with women. But his Malibu lifestyle is interrupted when his tightly wound brother Alan and Alan's son Jake come to live with him.
Charlie runs into an old flame and is led to believe he has a son. Evelyn plans for Jake's future. Judith finds out that she's pregnant, and Alan thinks he may be the father. Charlie and Alan struggle to adjust when Charlie's fiancee Chelsea moves in.