After a girl drowns, Det. Vladimir Kovač investigates whether it was accidental or something more; political wife Olga gets a distressing message about her family-and leaps into action; police make another shocking discovery.

Under pressure to solve the murder cases, police zero in on a suspect, but they aren't sure they have the right person, in Kyiv, Olga searches for information about her nieces' whereabouts.

Questions mount about the validity of Vladimir's prime suspect, as details about two of the three victims come into focus; Olga crosses paths with Stribor, a journalist who wants to speak to her about her niece, creating waves with police.

Vladimir's abilities to handle the case come under question; bodyguard Nikolay tracks down a lead in the hunt for answers about Olga's niece, Katya; Vladimir and Stribor begin suspecting powerful forces are at play.

Olga, Vladimir, and Stribor work together as the journalist hopes to break the case across international headlines; Vesna makes a shocking discovery about two of the victims.

The police are ready to execute a multi-pronged attack as they zero in on their top suspect, but as Olga, Vladimir, Vesna, and Stribor get closer to answers, what they find may change the course of their lives forever.