Ana is under watch but finds a way to help Lazar. Lazar discovers Stefan's whereabouts. Bakrac blackmails Stefan with a secret to release Lidija. Elections are approaching, and the country will never be the same again when this case ends.

SIA gets a carte blanche to raid Kosnica. Lazar is revealed as a mole who has exposed secrets to Stefan. He goes underground to solve the case. Milica tries to commit suicide. Bakrac prepares to strike a final blow against Milojevic.

Ilija mediates an effort to buy peace with Stefan, who negotiates for money to be paid into an account that funds aid for children with asthma. Sara's target list has one more name- Ilija, and she takes Lazar and Ana's son to get to him.

The deaths of three former agents cannot be a coincidence, so Milojevic sends Lazar to investigate. Sara Kon, a Mossad agent, is in Belgrade to help the SIA fight terrorism. Lazar chases the killer who's targeting retired SIA agents.

Despite SIA intel, Stefan's company is not raided. Nebojsa disappears, and Lazar is back on the field. Milica uncovers Louise's farce and blackmails him with an offer he can't refuse. A young woman lands in Belgrade to kill her new target.

Stefan's actions cause panic in Serbia, and Lidija goes undercover, gains his trust and is assigned a critical misinformation campaign. Ilija delivers the engineer to the Iranians. Ataman prepares Ayatollan and Stefan for a mission.

Lazar refuses to become a double agent. Lidija investigates Kosnica to find out Stefan's plans. A mysterious young woman kills the former head of Service in Sarajevo. Milojevic pressurizes Ana to convince Lazar to work with Milica.

Lazar and Slavko thwart Ilija's suicide mission. While looking for an Iranian engineer for the Americans, they find Ayatollah. Lazar surrenders him to Ataman and is reinstated to the Service. Milica has to turn Lazar into an American asset

Lazar saves Ilija but is in deep trouble for killing the Russian operatives. Ilija seeks American protection, and the CIA offers to save his life in exchange for a suicide mission that could cause a huge international scandal if it fails.

Ljuba and Krle feel guilty about getting on with their new boss Nebojsa. Louise, the CIA chief for Serbia, prepares Milica for an assignment. Ataman recruits Stefan, owner of the tech company Kosnica to assist with the elections.

Lazar has left the Service, freelancing for Slavko, in a 'cold war' with Ana and a relationship with Milica. The SIA are on guard as three Russian operatives, including Ataman, visit Belgrade. Elections have been called.

Lazar has left the Service, freelancing for Slavko, in a 'cold war' with Ana and a relationship with Milica. The SIA are on guard as three Russian operatives, including Ataman, visit Belgrade. Elections have been called.