A middle age guy who drinked with his middle aged bestfriend and fell asleep and when he wake up he was suprised to find that he have slept with a girl, and when the girl waked up she was also suprised to find that she have did it with a guy the one she have become bestfriend with. From then on both bestfriends are hiding these things from each other thus giving both of them new identities.
From both single friends to two lovers which they both hide from each other as the guy dated the girl after and revealed it to his bestfriend. And a girl who hides her secret about her being a guy disguising herself as a man and her other self who loves her bestfriend.