After a failed attempt to apprehend the elusive culprit who possesses individuals, the situation takes a grim turn: Lu Guang is rushed to the hospital in critical condition, and Cheng Xiaoshi finds himself behind bars under suspicion. In a twist of events, Liu Min's father enlists the formidable legal prowess of Qian Jin to confront Police Chief Li Xiao, the lead investigator in the case involving Qiao Ling's photo studio. With a shadowy figure wreaking havoc and concealing their true identity, no one is immune to the lethal and enigmatic attacks. As Cheng Xiaoshi reflects on his errors, he must swiftly and decisively act to halt the deadly spree before it claims more lives.