Dual (2022)

Sarah, a depressed alcoholic with a terminal illness, opts for cloning herself. When her clone recovers and refuses to be decommissioned, Sarah is forced to engage in a publicized duel with her. As the duel approaches, Sarah trains in self-defense and combat, vowing to kill her clone. However, after bonding with her clone, they decide to escape together. But Sarah's clone poisons her, presenting herself as the original during the duel. Sarah's clone is eventually declared the original and takes over her life, but she feels just as unfulfilled as before.