Before Midnight (1925)

To save her brother from going to prison on a forgery charge, Helene Salvidar agrees to shadow Tom Galloway, who is suspected of smuggling emeralds. Helene and Tom meet at a weekend party and fall in love. J. Dallas Durand, the detective who has forced Helene to watch Tom, finds Tom with an emerald, and Tom bribes him with a large sum of money to keep quiet. After Durand accepts the money, Tom reveals himself to be the head of the detective agency for which Durand works. Tom fires Durand and helps Helene keep her brother out of prison.