Season 1 of The Oath II premiered on April 8, 2023.

It all started when surgeon Filippos Razis found a sick 12-year-old Roma girl outside the hospital. Surgery made him realize that she was missing one kidney. Eventually, the girl died and no one looked for her. Filippos, looking to find out who is behind the death of the little Roma girl, discovered an organ trafficking ring. But his attempt to lead the ring to prison made him the victim of an evil plot that sent him to prison.

Season 2 of The Oath II premiered on October 18, 2023.

We now follow Filippos Razis in prison, fighting a daily battle for survival. The mandate is clear: to kill him. One night he is beaten almost to death and taken to hospital. His friends from prison help him escape. Filippos Razis, a convict and now a fugitive, is in hiding and with the help of old and new friends he is preparing his return.

Once again, he takes on an entire system. Will he succeed?

Season 3 of The Oath II premiered on November 16, 2023.