A London police inspector's investigation into smugglers leads him to a radio operator on a ship, with whom he develops a romantic connection. As he uncovers her possession of stolen gems, he must decide whether she was involved in the smuggling or merely a pawn, and navigate the danger posed by the ruthless gang seeking to silence anyone who might betray them.
River Beat
A charismatic radio operator on a ship sets off a chain reaction of disruption in the life of a London police inspector, who finds himself entangled in a complex web of smuggling and deceit as he becomes obsessed with the mysterious operator.