The Bill: Echoes (Part 1)

Part one of two. Two girls go missing in circumstances that echo the Amy Tennant case and Mickey Webb is horrified to find he knows the fretful parents. Yvonne and Laura find the girls, beaten but alive, and as six-year-old Molly is rushed into intensive care, her older sister Charlotte gives the desperate CID officers information leading to an arrest. Former EastEnders actress Hannah Waterman guest stars