Earl Cameron

Everything changes for two sailors on shore leave when they inadvertently become caught up in a crime as murky as the great river itself. For one of them, Johnny, life is further complicated when he falls in love with Pat, a local ticket seller, forming one of the first interracial relationships in British film.

To save a young girl's life, there is a frantic search for a rare blood; only three people can be identified who are able to provide the blood, and each must be persuaded to make the donation.

On holiday in London with his little daughter Stephanie, the widower, the American black surgeon Mat Younger, meets the young Katherine Mosovandou, granddaughter of the ambassador of an African state. Falling in love with her, who reciprocates his feelings, Mat discovers that the girl is suffering from a terrible anemia, which will leave her, at best, a few years of life ...