1960s drama starring Peter Finch as a parliamentary MP whose thirst for greater power leads him into political intrigue. Johnnie Byrne (Finch) is a Labour MP who aspires to the big-time. His hopes are raised when his party triumphs in a general election, but Johnnie is overlooked for a role on the front benches. To top it off, his wife (Rosalie Crutchley) has just left him and balancing two mistresses, including the youthful Pauline (Mary Peach), is proving difficult. When Johnny is approached by a couple of fellow backbenchers for help in a scheme that may destabilise the government but advance their careers, Johnny is faced with an important choice...