With D-Day fast approaching, the Allied forces of World War II prepare to strike a number of strategic Nazi bases. Leading one such attack, Maj. Jamie Wilson (Lloyd Bridges) concocts a risky plan for what is quickly becoming a suicide mission. With a reckless streak that has cost the lives of many men, Wilson faces the opposition of Capt. Owen Franklin (Andrew Keir), whose son was killed in Wilson's last mission. However, Franklin must put aside his feelings when he is ordered to join the major.