US stars, Dallas legend Patrick Duffy (The Man From Atlantis, Step By Step) and Linda Purl (Happy Days, Homeland) fly in from Hollywood for this special production in which they will star alongside Gray O'Brien (Peak Practice, Coronation Street).

Inspector Levine is called to a house in the remote Catskill mountains to investigate the disappearance of newly married Elizabeth Corban. In a bizarre development a woman arrives at the house claiming to be the missing Elizabeth but, instead of celebrating the reunion, her husband accuses her of being an imposter.