Many prisoners convicted of rape, murder and terrorism are released before serving their full sentences. Hours later, one of them is killed. Detectives Mora and Nieto take on the case.

As Helena gains the love and trust of a dangerous heroin cartel leader in 1960s Barcelona, she hones the skills she needs to rise up the ranks.

A space-time continuum glitch allows Vera to save a boy's life 25 years earlier, but results in the loss of her daughter, whom she fights to get back.