Charlie died, leaving only a beach house for his brother Allen (Jon Cryer). Allen, at the instigation of his mother, decided to sell the house because he could not afford the maintenance costs of the house. On this day, Allen finally received Charlie's ashes, but an uninvited guest came to his house. The man who suddenly appeared was called Walton (Ashton Kutcher). He was rich, handsome, and had a good figure, but he attempted suicide to save his wife who was about to divorce. Under Allen's persuasion, Walton decided to survive and bought Allen's villa. Just like he had taken refuge with his brother Charlie before, Allen also "stayed" in this beach house that already belonged to Walton as a "friend" and refused to leave. Together with his 17-year-old son Jack (Angus T. Jones), the life of two and a half men began again.