Shortly after young Matty Wallace is reported missing, PCs Leon Taylor and Ben Gayle are called to a local woodland where a boy’s body has been discovered.
Crime scene examiner Eddie Olosunje arrives to start his forensic examination and, later, Matty’s mother and stepfather have the grim task of identifying the body
It proves a particularly disturbing case for Jo Masters and colleagues, who discover the Wallace family were already enduring a distressing time as their youngest is awaiting a kidney transplant
Meanwhile, DI Neil Manson has his own burden to bear as he continues to be preoccupied with his son Jake’s battle with leukaemia
Neil becomes suspicious of Matty’s mum, Jane, when the post mortem reveals Matty died days before she reported him missing
Does she hold the key to her son’s death? Find out on The Bill on Tuesday, May 11 (not STV).