The Bill - Season 11 Episode 88 Ritual
Overview: Deakin and Croft investigate when the mummified body of a baby is found in an old allotment shed. They initially suspect the last occupier of the plot, but soon discover that he died some years ago. However, when the post mortem reveals the remains are over forty years old, their investigation points towards the Coney family, who are less than happy with having to dig up painful memories from the past.