When a girl's body is found on a beach in Poland's Tricity, a prosecutor teams up with the victim's mother on an impassioned quest for the truth.

A rebellious audio engineering student is detained by the police for brandishing a firearm at the university. Her scientific career hangs in the balance, but Kasia gets one last chance from her supervisor. However, the conditions set by her professor for remaining at the university seem absurd.

The body of an unidentified man is discovered in the field. We follow the police officer Anna to determine the identity of the man.