When Mary and Fannie Graham, daughters of a good mother but a father with criminal instincts, are left motherless, Mary flees from her unhappy surroundings while Fannie, inheriting her father's disposition, remains and is raised as a thief.

Dorothy Phillips
as Mary Graham 'Flash' Fan

William Stowell
as David Norman

Lon Chaney
as Hector Maitland

David Kirby
as Jim

Jane Bernoudy
as Sally

Mattie Witting
as Ann Maitland (as Mrs. A.E. Witting)

Nellie Allen
as Hector's Lady Friend

Countess Du Cello
as Landlady