Synchronous

A man becomes obsessed with facts and events that have been collectively misremembered by thousands of people. Believing the phenomena to be the symptom of something larger, his obsession eventually leads him to question reality itself.

Psychiatrist Sam Foster has a new patient, Henry Letham, who claims to be suicidal. In trying to diagnose him, Sam visits Henry's prior therapist and also finds Henry's mother -- even though Henry has said that he murdered both of his parents. As reality starts to contradict fact, Sam spirals into an unstable mental state. Then he finds a clue as to how and when Henry may try to kill himself, and races to try to stop him.

A horror film told in three parts, from three perspectives, in which a mysterious transmission that turns people into killers invades every cell phone, radio, and television.

Grief-stricken after the loss of her child, Vanessa takes refuge at a lake house only to be met with an aberration of herself from a parallel universe and realizes the multiverse gates hold the key to releasing her grief or trapping her forever.