Eric And Ernie, the best loved of all British comedy double acts, made their big screen debut in this hilarious swinging sixties spoof. Ernie Sage is a pen pusher for the Secret Services and his friend Eric runs a cafe. When Eric accidentally encounters a summit meeting of an international criminal gang, M.I5 decide to send the hapless pair undercover with Eric posing as "Major Cavendish". Riotous antics follow when the incompetent duo is assigned to protect the legendary Russian prima Donna and acclaimed dancer Madame Petrovna from assassins. Will Eric and Ernie live up to their billing as "The Intelligence Men"?