Reformed drug addict Tim Brett (David Hemmings) is vacationing in Italy with his aunt. When she is murdered, he tries to investigate. Soon his whole life spins out of control.

Robert and Claire inherited an old Victorian house which they plan to renovate. While visiting the place their car breaks down and they are forced to spend the night there.

Blinker, so named because he blinks whenever he has a bright idea for a new invention, is the son of an eccentric Professor who is developing a top secret Pulsar Crystal X. Blinker's inventions help him to be a successful goalkeeper and to keep an eye on The Masons gang - and some real crooks.