Dangerous to Know (1938) is a Crime, Drama, Mystery film that follows racketeer Steve Recka, art patron and political power-maker, rules his town and Madame Lan Ying, his beautiful friend and hostess (read:mistress), with an iron hand. He meets Margaret Van Kase, a socialite not impressed by his power nor his wealth, having no money herself, and Steve makes frantic efforts to win her and turns away from the loyal Lin Yang. Dangerous to Know is not currently listed with streaming providers in your selected region, but availability can change over time. It has a user rating of 6.1 out of 10 from 8 votes. Fans of crime movies may also want to explore similar titles below.