Shrek and Ying Xiong's wrong arrest of the Sanlian Group's heiress, Chen Lin, puts them in hot water. A Forensic Investigator, Lan Xi Ying, discovers that Shrek has tested positive for the Dreamer drug through his saliva by accident, in which Shrek is unable to provide an explanation. This incident enhances Ying Xiong's hostility toward Shrek. As they continue their search for the drug dealer's lair, the seriously wounded North Korean detainee is their only lead. (Source: Viu)