A Man's Man is set at a local beach box, where Kirin, a tradie, attempts to make the most of the time he has left with his friends before he gets married. His life of boisterous nights is coming to a close, but not everyone is happy with Kirin maturing into the next stage of his life. His best friend Tom laments the friendship might change forever. Throughout a boy's night, the two mates get closer than ever before, riding the line between friendship and romance