Lucía and Ofelia, two sisters, finally meet after 7 years of cold relationships upon Lucia 's wedding. But when Juan, Lucia's husband, and Ofelia meet, they feel like a disruptive fantasy have enchanted their minds and bodies...

When the fun of double dating begins to grow old, Richard and Bettina share a dirty little secret with their friends Diego and Emilia: They live a double life as swingers, and would love to share this practice with them.