Mute (2022) Plot Summary & Ending Explained

The resolution of Duncan Jones’ Mute hinges on a violent confrontation and a long-delayed personal redemption. The central mystery unravels when Leo discovers that his girlfriend, Naadirah, was killed by Cactus Bill, a character initially masked by a charming demeanor but revealed to be a dangerous, AWOL surgeon. Cactus murdered Naadirah to secure his escape from Berlin with her daughter, Josie, but his plan collapses when Leo confronts him. In the ensuing struggle, Cactus is impaled on his own knife, seemingly resolving the threat.

However, the danger shifts to Cactus's partner, Duck Teddington, who harbors his own dark intentions for Josie. In a twisted turn of events, Duck captures Leo and decides to repair the lacerated voice box that has kept the bartender mute since childhood. Duck’s motivation is selfish; he fixes Leo not to help him, but to demand an apology for killing his friend. When Leo cannot provide the words Duck wants to hear, the conflict moves to a bridge, sending both men into the water. Leo survives by drowning Duck, and upon surfacing, he shouts a warning to Josie, marking the first time he has spoken in decades.