David and his gay friends celebrate his 25th birthday with a nightly swim at the park. The good mood quickly changes after two straight couples walk by and laugh. But was the laughter directed at them, or at something else?

Stockholm, 1981. A man convinces his husband to go with him to a sauna to get new sexual experiences with other men. The man finds the sauna to be a safe place where he can explore his deepest desires. But even in paradise there are rules that you have to obey.