The love secrets of a large family are revealed during a trajinera tour on Xochimilco, culminating in a suicide attempt during a jackpot drawing.

Systolic/diastolic are the beats of the heart and it is this organ, which, more or less, symbolically tells the story of Ángel and Toño; a couple who have to face a terrible situation: Ángel's death.

Based on a series of episodes aimed as ensuring the director to exorcise the defects, fears and phobias circulating about the world of ordinary love. There are 35 stories developed at an average of two minutes of attempting to explain the failure of marriage in the manner of a puzzle that is organized in the course of the plot.