There was a crash and a girl is bleeding really fast and is about to die.
Caroline mother comes to the detective house and tells her daughter death was a murder and that she wants her to find out who killed Caroline.
the detective takes the deal and gets all the witnesses that were at the crime scene on the phone and asked about Caroline past life.
the detective whent to carolines roomates apertment and was asking if she knew anything about the people that were messing with caroline
the detective goes to Caroline roommates house that she is moving in to she spots the truck that was at the accident in the garage of the house with the gun in the floor board that was used in the accident
the detective spots the killer at the house then he speeds past her going on to the highway then they get stuck in traffic the van is flying and crashes in to a working vehicle that is putting up the sign at the same place that he killed Caroline at the end