Newly appointed Captain Larson receives command of the Qeloria Division and is introduced to his trusted aides: Lieutenant Tristan Clark, a fierce warrior, and Luna Sawyer, an expert in talismans and anti-demon tactics. Eager to prove himself, Larson is given a disturbing case involving dozens of young couples who have drowned, locked in a fatal embrace with eerie smiles. Suspecting supernatural involvement linked to a mysterious well, Larson and his team prepare to investigate. Despite concerns about camping in the wild, Larson insists on pursuing the case swiftly, determined to establish his authority and stop the sinister force exploiting false lovers' deaths.