Becoming is a supernatural thriller about Alex (Toby Kebbell) and Lisa (Penelope Mitchell), a couple newly engaged and deeply in love. While on a road trip, they encounter an ancient evil force that chooses Alex as its new host and begins to slowly take over his mind and body, gradually transforming him into someone terrifying and violent. The changes are small at first. His handwriting. His body language. As Alex struggles with the horror of losing his identity, Lisa notices the shifts in the...

The story is set in a world where implanted microchips can record all moments of an individual's life. The chips are removed upon death so the images can be edited into something of a highlight reel for loved ones who want to remember the deceased. Caviezel portrays the leader of the organization that opposes this technology's development.