When the Boat Comes In S03E13 - A Marriage and a Massacre

After his operation, Bill is able to walk with a stick. Tom is frustrated working in the shop. Billy and his assistant, medical student Isobel Murcheson, alert Matt to the case of Mr. Dixon, mentally unsound after an accident at Lewis Bishop for which Manners paid his hospital bill. Jack visits the duke who asks him to find out who is sending him threatening letters and killing animals on his estate. Caroline tells Jack she is engaged.