A married couple vacationing in Hollywood, CA get trapped with a sociopath when a nearby Halloween flash mob threatens to make them unwilling flash mob participants - FOREVER.A married couple vacationing in Hollywood, CA get trapped with a sociopath when a nearby Halloween flash mob threatens to make them unwilling flash mob participants - FOREVER.A married couple vacationing in Hollywood, CA get trapped with a sociopath when a nearby Halloween flash mob threatens to make them unwilling flash mob participants - FOREVER.