Rab C. Nesbitt S02E05 Ethics
Rab stops a grumpy,ungrateful wino from drowning himself and takes him home to stay with the family. As a result they catch the man's lice and Rab is accused of having a lodger so his benefits are cut. When the unwelcome guest refuses to leave Rab realises that he has been conned and brings in a hitman to get rid of him.