Desperate Measures

When the body of a young girl is discovered on a landfill site DCI Paul Wells is certain that Ian Lennox is the killer. With Lennox safely in the cells, Wells' team prepares its case but when time runs out they are forced to release him. Wells is desperate and his career is on the line. How can he prove that Lennox is their man? Meanwhile, a second murder causes even more problems. Is there any chance that the DCI can finally get the result for which he prays?