Dusty and Brad have joined forces to provide their kids the perfect Christmas. Their newfound partnership is put to the test when Dusty's old-school, macho dad and Brad's ultra-affectionate and emotional dad arrive just in time to throw the holiday into complete chaos.

A mild-mannered radio executive strives to become the best stepdad to his wife's two children. But complications ensue when their freewheeling and freeloading real father arrives, forcing him to compete for the affection of the kids. The two competing dads suddenly find themselves in a heated competition for affection. One brings home a dog; the other brings home a pony. And this war only escalates from there.