A woman, who as a child exchanged kisses as if playing a game, remembers, now elderly, the night she killed her love with a little kiss. As an analogy, she says that she caught a rare and special blue shrimp and took it to her fishbowl. Young, she fell in love with a boy after a night of drinking, and questioned the relationship she had with the love of her life. Between memories, it is not unders...

Vargas is an undercover agent whose mission is to capture a group of robbers. The robbery of a jewelry store will be the ideal moment to catch them in the act. After a conversation with Ricardo, one of the group's members, Vargas questions his view of the enemy, making the mission much more difficult.