Raúl, Eduardo and Santiago have led a happy and "straight" life since their childhood, until, one day, Santiago confesses to them that he is gay.
On the rainy night of October 2, 1968, eight characters waiting on a remote bus station for a bus heading to Mexico City start experiencing a strange phenomenon.
Eight friends, all in stable relationships, venture into a game of sexual discovery by exchanging couples while trying to free themselves from their daily routines and add a spice to their love lives.
