Despite promising his partner that he has overcome his accursed addiction, compulsive gambler Sergio decides to profit from a tip-off about a rigged football match. Fully intent on winning to get back all of the money he has lost recently, he returns to his regular betting shop. Everything seems to be going swimmingly, when suddenly Alejo, another habitual gambler, bursts into the business with a weapon. After the police are warned that something strange is going on, Special Operations sniper Pablo is pressured to intervene by police chief Costa. However, the officer’s mind is not on his job, but rather on the hospital where his son’s life is hanging by a thread. Until one gunshot will change Sergio’s and Pablo’s lives forever...