The unlikely team of Spencer Tracy and James Stewart embarks on a secret mission during WW II. Their job is to smuggle a huge shipment of rubber out of Malaya without the Japanese detecting the operation. Stewart, a onetime reporter who knows the territory, and Tracy, a professional
smuggler who is serving time in Alcatraz and is paroled for the mission, contact shifty Greenstreet, who pinpoints the location of a rubber stockpile. More than 150,000 tons of rubber are smuggled through the Japanese lines to waiting US ships but, on the last trip, patriot Stewart is killed;
criminal Tracy proves his American mettle, however, and gets the shipment through while disposi...