Murder on the Honore Express

New series. Four passengers board the bus to Honore, only for one of them to be killed by a knife to the chest. Yet when everyone else claims to have remained in their seats and seen nothing, Jack and his team are baffled by the mystery. Meanwhile, Florence is being unusually secretive - until she confesses to the DI that she has a new boyfriend. Crime drama, starring Ardal O'Hanlon, Josephine Jobert and Don Warrington.