Flight attendant Cassandra Bowden wakes in a hotel room hungover from the night before in Bangkok with a dead body lying next to her. Afraid to call the police, she continues her morning as if nothing happened. In New York, she is met by FBI agents who question her about her recent layover in Bangkok. Still unable to piece the night together, she begins to wonder if she could be the killer.

An English teacher travels back in time to prevent the Kennedy assassination, but discovers he is attached to the life he has made in a bygone era.