Fran and Paulo arrive in Cuernavaca for a weekend vacation, everything is happiness, love..., and also a lie, this is the past, just a memory. In the present, 3 years later, Fran and Paulo return to the place where they once were happy, trying to recover something that seems already lost.

A mature man suffers impotence with his teenage wife Dionisia. She will use a thousand and one ways for the flame of passion to rise. When her husband resorts to her own methods, Dionisia turns to her stepson for attention.

One day, a 17-year-old boy finds a "cup phone" pointing toward the unknown and ends up forming a relationship with a mysterious girl.