Between the events of 'Saw' and 'Saw II', a sick and desperate John Kramer travels to Mexico for a risky and experimental medical procedure in hopes of a miracle cure for his cancer, only to discover the entire operation is a scam to defraud the most vulnerable. Armed with a newfound purpose, the infamous serial killer returns to his work, turning the tables on the con artists in his signature visceral way through devious, deranged, and ingenious traps.

Twenty years have passed since those two apartments in the heart of Mexico City were the battlefield of a war of the sexes between Ana, Carlos, Andrea, Miguel, Tomás and María. All that is left of those apartments are memories and the image of Tomás' dead body at the bottom of the elevator shaft. Their lives have changed, their families have grown and new and unexpected characters have come to unsettle their daily lives and trigger a chain of events that will make them realize that modesty has been replaced by public disclosure; sex is only an app away; but love...love is still something elusive that everyone in today's banal and chaotic world is seeking.

Dante spends his days between factories, skateboards and corpses, but the only thing he cares about is the Death Metal band he plays in with his best friends. Lucy, the girlfriend of his comatose brother, comes to visit, and here presence will cause chaos, confusion, but also hope.

Paco is a young man who has gone through many difficulties since he was orphaned, he had to work hard as a clown in the streets of Guanajuato to be able to stay. One day, Paco meets April, a very pretty young woman, whom he fell in love with in her childhood, together with Pablito a young orphan, they will do the impossible to conquer April.

Three people with insomnia get together at a supermarket where they share their experiences.

Three friends from East Mexico City —and the forbidden love one of them feels for another's mother— will be forced to reformulate everything they believe about love, happiness, and family.