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.
Mario Casas
Zeta
Mariela Garriga
Alfa
Luis Zahera
Salvador Ancares
Nora Navas
Elena
Christian Tappan
Marlon
Cristina Umaña
Diana
Ricardo de Barreiro
Landa
Luisa Vides Galiano
Vivi
David Villamil
Flaco
Amanda Goldsmith
Maka
Juan Sánchez McDonell
Hans
Ander Jiménez
Tirapu
