Chuck Levine (Adam Sandler) and Larry Valentine (Kevin James) are firefighters and true-blue buddies. When Larry, a widower, learns he cannot name his children as beneficiaries on his life insurance policy, he needs a big favor from Chuck: Sign on as Larry's domestic partner. The pals unexpectedly become front-page news and must carry the masquerade to extremes when an overzealous bureaucrat becomes suspicious of their true relationship.