'One Good Turn' / 'The Ties That Blind' / 'Cold Bloodied Killer'. A barmaid on her way to work in a London pub saves a man from being hit by a taxi. He thanks her by warning her not to go to work that night. At work she recalls seeing the man in the pub earlier and instead of working her shift she goes to the police and finds out that he is an IRA terrorist. Is there a bomb in the pub? / Two complete strangers fall in love and when they meet each others' families they eventually find out a shocking truth which could destroy their love for each other, or will it? / When a woman visits her sister the first thing she sees is the family doctor leaving the house, but inside the sister is lying dead. The doctor denies having been in the house and DNA evidence seems to exonerate him. However there is a bizarre reason why his DNA did not match any found at the crime scene.