Watch SYNC for Free: How to Stream the Movie Online at 123Movies. . In the microchipped near-future, in the city of Los Angeles, where the human mind is uploaded to the cloud and thoughts can be used to communicate between synced individuals, a young anxious woman, Ayla, decides to move in with a new roommate, Devin, who is a childhood friend from her past. The women decide to sync their minds for a chance to foster a new close friendship. Afterwards, Ayla notices some very disturbing behavior from Devin. As their relationship quickly grows toxic, and Ayla starts dreaming about Devin’s memories, Ayla realizes she has less than 72 hours to save herself from being permanently mentally dominated by a narcissist before the sync is officially complete.