A casual encounter between Adriana and Sergio, two former high school friends, triggers the beginning of the game of the keys where four couples generate new sexual and emotional combinations in a dangerous and lustful game. The game consists of everyone putting their keys in a bowl. At random, each one chooses some keys and he must go to spend the night with the owner of the keys. This game will revolutionize the group of friends and their lives. It will make them discover who they are and what they really want.
Sebastián, an actor known for just one role he played years ago, is about to get engaged, but life has other plans for him. Just when his life seemed to be all mapped out, he is thrown back in the fold with his long time friends who are bad at relationships. All of the sudden, he goes back to the life he left almost 10 years ago: being single.
