Three's a Crowd (series 19)

Plot
Comfort starts to really worry about the disappearance of her husband Fin tonight. Josh discovers Fin's knife in a patients pocket who confesses he found it. After overhearing the police discuss where the knife was found Comfort rushes straight over there. As the police search for Fin, a body is found and Selena is called to pronounce a death but is the body Fin's.Elsewhere Luke invites a beat up Kate to stay at his house to escape her abusive partner.