The Replacement: Paula Reece's mysterious past revealed?

So far, show watchers have seen Ellen – played by Morven Christie – become more and more suspicious over Paula – played by Vicky McClure – and her life on the chilling BBC One thriller. The character has been trying to investigate her "replacement" after suspecting Paula may have been responsible for her boss Kay's fatal building site fall as well as having an affair with the late character's husband David.While Paula has resorted to de