It has taken 10 years, two little Fockers with wife Pam and countless hurdles for Greg to finally get in with his tightly wound father-in-law, Jack. After the cash-strapped dad takes a job moonlighting for a drug company, Jack's suspicions about his favorite male nurse come roaring back. When Greg and Pam's entire clan descends for the twins' birthday party, Greg must prove to the skeptical Jack that he's fully capable as the man of the house.

Pinnacle records has the perfect plan to get their sinking company back on track: a comeback concert in LA featuring Aldous Snow, a fading rockstar who has dropped off the radar in recent years. Record company intern Aaron Green is faced with the monumental task of bringing his idol, out of control rock star Aldous Snow, back to LA for his comeback show.