Where are the limits when a parent must save the life of his/her only child? Laura and Enric fight relentlessly to keep the failing heart of young Gerard, their son, from stopping. They cross the threshold of the law. They lay everything they have on the line. They sully their deepest convictions. They are trapped in the macabre circuit of illegal organ trafficking. But the devil, always alert to the difficulties of those who suffer, will not make do with their souls alone; he also wants their money...The risky investigation of an open case of multiple murder leads three policemen to get personally involved in the disappearance of little Gerard.