When architect Stephen Booker loses his partnership, he finds jobs hard to come by, and with money in short supply, he unwittingly becomes involved in a daring scheme to rob one of London's biggest bank vaults.

The Guardians is a television drama series of 13x60 minute episodes made by London Weekend Television and broadcast in the UK on the ITV network between July 10, 1971 and October 2, 1971. The opening titles and closing credits included a memorable theme tune composed by Wilfred Josephs.