Drew Latham is an executive leading an empty, shallow life with only wealth on his side. Facing another lonely Christmas ahead, he revisits his old childhood home in the hope of reliving some old holiday memories – but he finds that the house in which he was raised is no longer the home in which he grew up.

A quirky teen with a penchant for war reenactments, Kelly Ernswiler obsesses over military tactics with his buddy Bart. The school bully is one of Kelly's regular headaches, and he also has to deal with a frustrating situation at home, where his father is a recovering drug addict. Kelly's life gets even more complicated when he falls for Tabby, Bart's pretty and soon-to-be-wed older sister.

With high school a distant memory, Jim and Michelle are getting married — and in a hurry, since Jim's grandmother is sick and wants to see him walk down the aisle — prompting Stifler to throw the ultimate bachelor party. And Jim's dad is reliable as ever, doling out advice no one wants to hear.

The Angels are charged with finding a pair of missing rings that are encoded with the personal information of members of the Witness Protection Program. As informants are killed, the ladies target a rogue agent who might be responsible.

Rich, successful Bryce meets beautiful Lissa at a bar one night and invites her back to his house, not suspecting for a moment that Lissa isn't really who she seems. What unfolds next is a dangerous, tangled web of double-crosses and seduction.