Three guys (Sal Mineo, Barry Coe, Gary Crosby) from vastly different backgrounds meet in a barracks at Army boot camp. Quickly becoming friends, they discover a shared talent for music. One day they compose a song off the cuff. Their ditty is so catchy, it draws the attention of a television host, who urges them to participate in a talent show. The soldiers try to hone their act while getting involved in complicated romances and diplomatic relations. Will they make it to the show on time?