삼각의 함정(1974) / A Triangular Trap(Samgag-ui hamjeong )

A fashion designer living in fear of the man who assaulted her and killed her wealthy husband is saved from a street attack by a mild tutor, and hands him her inheritance to manage. Lee Man-hee tightens the screws until the two men circling her fortune settle it between themselves on a clifftop.

Why it's free: Free on the Korean Film Archive's own channel; KOFA holds the rights to the restorations it publishes.