After losing their dad as kids, the 3 Mann boys return to the family cabin every year to remember him, but when they walk in on their mom with a secret fiance, their trip becomes a wild test to see if he’s Mann enough to join the family.

Attempting to compete for the love of a beautiful woman, a self-declared sissy joins a man camp that “transforms boys into men,” only to discover it’s run by his dream girl’s macho boyfriend.