has a premise that’s complicated to explain but was easy to follow when you watched it. Jason Isaacs () stars as a cop who was in a car accident with his wife and son. When he comes to, he thinks his son Rex died and his wife Hannah still lives. But when he closes his eyes to sleep, he enters an equally believable reality in which his died and his lives. He toggles back and forth between these two states and quickly discovers that he just does not know which one is real.