LUNG’s colleagues have all teamed up against him, but ON gives them a good telling-off for this and admonishes them to collaborate with LUNG in all circumstances. SCOTT is shocked to hear that all the staff in the police station are suffering from diarrhea, but no one is allowed to seek treatment in hospital as ordered by ON. COLUMBO manages to escape from prison, making the rest of the police officers believe that LUNG is just working undercover to spy on SCOTT. ON tries to threaten his colleagues with the news that SCOTT has already moved TIN to the border regiment. But this does not seem to have shaken his colleagues at all and they just make their transfer requests on the spot one after another. SCOTT is promoted to the rank of Chief Superintendent. During the press conference, ON announces that COLUMBO, who is found to be innocent of the murder of MING after the police’s thorough investigation, has already been released……