Dream of

I was driving down a highway at night time. a motorcycle suddenly swerved in front of me. there were two people on the motorcycle. there was another vehicle in front of the motorcycle. the motorcycle started to swerve on the road but in its lane then it suddenly hit the car in front of it.i stopped my car. i saw the passenger of the motorcycle fly in the air doing somersaults as it returned to the ground, it was a women the driver a man of the motorcycle jumped on top of the women a was strangling her he then looked up and saw me watching he lept to his feet and started running towards me