Nora Sullivan is trapped in apocalyptic time loops. Her bestie Ann Gale, with Position Swap Ability, uses jewelry to collude with fiancé Jake Lane and Gu family, swapping positions with Nora to let her die and seize the Safe House. On the final loop, Nora figures out the ability's weakness and sets a trap. She lures enemies to eliminate Gu family and Jake Lane, then destroys the medium to trap Ann Gale. Having taken revenge, Nora escapes the time loop.
