When ambulance personnel respond to an emergency they become the target of a cruel psychopath. Byl's ex-wife, Carlen makes her appearance together with other traces of his past.
Practically everyone is apathetic when a narcissist makes decisions over life and death. Imprisoned rapists, pedophiles and womanizers remain in the battle. Carien still depends on Byl.
The unit is forced to reflect on their constant work trauma when a PTSD expert questions them. Feelings of guilt and self doubt prevent Byl from concentrating on his work.