Thriller is a British television series, originally broadcast in the UK from 1973 to 1976. It is an anthology series: each episode has a self-contained story and its own cast. As the title suggests, each story is a thriller of some variety, from tales of the supernatural to down-to-earth whodunits.
A group of terrorists posing as plumbers set up base at a school for the blind. The students remain blissfully unaware while the terrorists plan the assassination of a politician who will soon be passing the school on a parade route. Only one student, Sally, suspects that the men upstairs may be dangerous...
A shy, lonely American girl marries a charming man she meets while on vacation in England, unaware that he has sinister plans for her.
