Watch full movie online. 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.