The fight for Guadalcanal is intense, but Marine Raiders led by Maj. Steve Lockhart (Pat O'Brien) and Paramarines under Capt. Dan Craig (Robert Ryan) repulse the Japanese with vigor and valor, despite a reckless moment in which impulsive Craig takes on a sniper pocket single-handedly. On leave in Australia, Craig takes another risk: falling for Flight Officer Ellen Foster (Ruth Hussey). That puts him on a collision course with Lockhart,
