Three estranged siblings are brought together once again at their father's funeral. His last will states that they must bond as a family via games thought up by their late father or they won't inherit the $23 million he has left them.

Pour le professeur d'art dramatique Sandy Kominsky et son meilleur ami Norman Newlander, ce n'est pas parce qu'on vieillit qu'on doit arrêter de bien s'amuser.