According to the courts, Jacko Argyle bludgeoned his mother to death with a poker. The sentence was life imprisonment.\012But when Dr Arthur Calgary arrives with the proof that confirms Jacko\047s innocence, it is too late. Jacko died behind bars following a bout of pneumonia. Worse still, the doctor\047s revelations re-open old wounds in the family, increasing the likelihood that the real murderer could strike again...