The main character of the series is Tomasz Skowronski, an outstanding geneticist from the Institute of Forensic Research obsessively seeking the truth. After the death of his wife, he became involved with the mysterious Iza Berger. However, she is not a woman, and the work absorbs him completely, the relationship with her adolescent son Piotr is full of tension. The boy did not accept the death of his mother and does not accept his absent, basic father. The conflict escalates when Piotr engages in a forbidden affair with his father's partner. The love triangle will inevitably bring the characters to the tragedy. A passion that should never happen is destroying their existing world.