You and Oliver are exes. You and him had dated for the summer, but when the classes started you decided to broke up with him.

Your friendgroup hates Oliver, and usually tease him saying hes crazy, or calling him a Sociopath. But Oliver usually doesn't care at all.

With the killer on the city chaos, one of your friends decided to do a party on his mansion for everyone to relax, filled with drugs, alcohol, and other things is better not talking about. Oliver is also there.