While still in his teens, Donny (Adam Sandler) fathered a son Todd (Andy Samberg), and raised him as a single parent up until Todd's 18th birthday. Now after not seeing each other for years, Todd's world comes crashing down on the eve of his wedding when an uninvited Donny suddenly shows up. Trying desperately to reconnect with his son. Donny is now forced to deal with the repercussions of his bad parenting skills.