The psychologist and police negotiator of Chicago P.D. Karen fails in a hostage situation and six captives are murdered. She quits the police and decides to return to her hometown in Texas. While driving on the road, she has a car accident and the radiator of her car breaks. She asks for a ride and the criminal Frank (James Belushi stops his car with his wife Rayanne to take her to a nearby gas station that has a tow truck. Along the short journey, Frank, who is selling a computer chip that he has just stolen from a friend, shows that is a lowlife, humiliating his wife several times. Meanwhile, the young scientist Brian is researching time travel in a facility in the desert with rats using a particle accelerator. When Frank reaches the gas station of his friend Sam, he shows him photos of Rayanne having an affair with their acquaintance Jesse. Frank becomes insane and speed-up his car with Rayanne and Karen inside and stops the car in the desert, He kills Rayanne and Karen runs to Brian's facility, where she is exposed to his device and returns in time. Now she wants to change the events to save the life of Rayanne. Will she succeed?—Claudio Carvalho, Rio de Janeiro, Brazil