Two sisters marked by their mother’s murder years before find the murder weapon and the clues that lead her to the perpetrator.

Benja is a high school inspector and is determined to expel the protestor Iván, a friend of his daughter Karina, who dies during a protest. Benja discovers that he never really knew her and tries to rectify the situation through the rebellious Iván

María Fernanda and Roberto have a tortuous relationship: they spend most of their day fighting. Problem is, their fights irradiate a laziness wave that overcomes little by little all of humanity. Both of them will have no other choice but to work out their problematic relationship, before the Laziness Wave destroys the world.