The Tomb of the Sea Side Story films, part of the Daomu Biji/The Grave Robber's Chronicles franchise.
Huo Youxin investigates the mysterious death of her subordinate, tracing it back to Wushan Residence. She traps manager Bai She, hoping to uncover the source of a deadly illness. However, Bai She turns the tables, and both become infected. Seeking a cure, they enlist Wu Xie’s help, leading them to a secret cave where they must unravel the illness’s origins.
