Mike is under investigation when a man (Russel Palmer) dies in the cells when he is on duty. Russell's cousin, Hibbut, claims he heard Mike beat Hibbut up. Nick warns Mike that he must tell him everything that happened that night. Mike says that he pushed Hibbut back into the cell when he tried to escape and that he was shouting 'Quin'. Mike is suspended, and is brought in later when the post-mortem reveals that the death was partly due to a blow to the back of his head. Nick asks Neil if Hibbut could have been ill and mentions he was calling for 'Quin'. Neil realises that Hibbut must have had Malaria and Harlequin is the drug supplied for the condition. Phil and Nick go to check Hibbut's room and discover a tablet bottle. Nick is hostile towards the cousin and tells him he let his cousin die. Mike is off the hook. Greengrass has a go at running a taxi business - but it doesn't prove profitable. Greengrass also informs the press about the death in custody, which could have put Mike in (thetvdb.com)