The enduring friendship between the Walling and Ostroff families is tested when Nina, the prodigal Ostroff daughter, returns home for the holidays after a five-year absence and enters into an affair with David, head of the Walling family.
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.