Charlie receives a call from a childhood friend Nicolas. He is in shock, he has just seen a car accident in which he was involved. The other car caught fire, one of the passengers died. As luck would have it, the victim turns out to be Anthony, his brother-in-law. Nicolas' sister, who suffers from a heart condition, becomes unwell during the interrogation. By looking around for Nicolas, Charlie discovers that he is being harassed by his previous conquest. She also takes the opportunity to confront Papou after finding out the identity of her father.

Jiyoung, a talented young ice maker master, is found lifeless, frozen, in the freezer of the factory where she worked. If her professional demands had not only brought her friends and could suggest revenge, Charlie will discover that the young woman voluntarily entered the freezer... But why?