Arthur Evans is trapped in a deadly wedding game inside a cursed manor, where a mysterious romance escape system forces him to court the undead bride, Lilith, to survive. As guests are killed by monsters and hidden rules, Arthur repeatedly dies, awakens in time loops, and learns to exploit the game’s loopholes. He slowly uncovers Aldrick’s crimes, Lilith’s tragic past, and the truth behind the curse. In the final trial, Arthur’s love and honesty awaken Lilith’s resistance, breaking Aldrick’s control but separating the lovers at the portal. After waking in the real world, Arthur discovers that Lilith has returned as his new neighbor, giving their doomed romance a second chance.