Upgrade follows Grey Trace, a technophobe left paralyzed after a brutal attack that also kills his wife. He receives an experimental AI chip called STEM, which restores his movement and grants extraordinary combat abilities, setting him on a violent path of revenge. The film blends neo-noir aesthetics with sharp action and a chilling twist on the dangers of artificial intelligence.
Leigh Whannell films a paralyzed widower receiving an AI chip that fixes him and then drives him. The body becomes the host. Cheap, fast, exact.