The Girl in the Dark (1918)

Lois Fox upon whose shoulder is branded a Chinese idiograph resembling the letters A Y is rescued from a gang of Chinese ruffians by Brice Ferris His servant Ming in attempting to steal from her finger a ring that bears a mysterious green seal is killed and soon afterward a stranger named Strang arrives also in search of the girl Despite Brices efforts to protect her Lois is abducted and taken to the headquarters of Lao Wing the leader of a secret Chinese society known as the Tong