After being discharged from the U.S. Army in Germany, Harry reluctantly follows his wife to England where he lands a job as a truck driver. It is not long before his boss, Joe Easy, tries to involve the ex G.I. in a smuggling operation. Harry first resists but Joe throws Lynn, his own mistress, into his arms and he soon forsakes his scruples. After Lynn has become his lover Harry leaves his wife. When he feels he has made enough money, he considers getting back to the States with Lynn. But just then an accident happens to Butch, his young son...