Celebrated as supersleuth, Mr. Moto comes out fighting when a brutal boxing match turns into cold-blooded murder! Assisted by detective-in-training Lee Chan, Moto sets out to track down the killer based on a single ominous clue: a poisoned boxing glove! But when Moto's hunch points to a corrupt gambling syndicate, he's forced to wager his very life to unmask the culprit—or go down for the count...permanently!

Although Charlie and Lee are in Monaco for an art exhibit, they become caught up in a feud between rival financiers which involves the Chan's in a web of blackmail and murder.

1944 film by Lewis Milestone

16岁的美丽少女阿贝尔（琳达·达内尔 Linda Darnell 饰）离开了让她倍感压抑的原生家庭，前往伦敦，投奔一个名叫布鲁斯（Jefferson Pascal 饰）男人。很快，这对小情侣就花光了所有的积蓄，为了维持生计，布鲁斯出海成为了一名走私犯，而阿贝尔则在误打误撞之中进了监狱，此时她震惊的发现，腹中已经怀上了布鲁斯的孩子。
在强盗杰克（约翰·拉塞尔 John Russell 饰）的帮助之下，阿贝尔从监狱里逃了出来，之后被杰克卖到了剧院。在那里，阿贝尔邂逅了拉德克里夫公爵（理查德·格林尼 Richard Greene 饰），很快，两人结了婚，阿贝尔一跃成为了公爵夫人。就在这个节骨眼上，布鲁斯再度出现在了阿贝尔的面前，并且向她索要那个属于自己的孩子。