When former Green Beret Jorge Díaz survives a brutal attack that kills his family, he sets out for justice. With the help of the mysterious Mr. Smith, he recruits a team of highly trained young survivors, all victims of organized crime, to take down their hunters. Together, they’ll deliver justice on their own terms in a world where the law has failed them.

Four Spanish ex-intelligence officers are assassinated simultaneously worldwide. The CNI discovers all participated in the covert "Operation Ciénaga" decades ago in Colombia. Zeta, the CNI's best operative, must hunt and protect the sole survivor, facing his deadliest global mission yet. Top Colombian agent Alfa will join Zeta, seemingly knowing more about "Ciénaga"'s secrets than him.