Set in 1980s Medellín amidst a backdrop of political turbulence and violence, Rodrigo (José Ángel Bichir), a frustrated painter who has lost his creative drive, meets Susana (Angélica Blandón), a sensual piano tuner. As they begin a passionate relationship, Susana begins recounting explicit stories of her past sexual encounters and romantic affairs with other men night after night. Inspired by her confessions, Rodrigo begins painting prolifically again. However, as the boundaries between her past encounters and ongoing infidelities blur, Rodrigo becomes pathologically obsessed with her former and current lovers, driving their relationship into a volatile spiral of passion and suspicion.