The Triumph of the Weak is a 1918 Vitagraph drama, directed by Tom Terris, and written by Edith Ellis. It is the story of a woman who steals to provide food for her child and the consequence which follow her act, the narrow escapes she has of the many pitfalls, in her efforts to live in the straight and narrow path. This film appears to be lost.
, a Great Lakes pilot, loses his life in a storm and his wife, Edith
, to support her child leaves for the city where she steals and is imprisoned. Three years later, upon her release, she takes her child from the state orphanage and goes to another city where she secures employment in a department store. She marries the superintendent, Jim Roberts
, who served time with Edith
, is freed and arranges with Mickey Bill
to enlist the aid of Edith
in a robbery under threat of exposure. The burglary is committed, and when Mabel
is trapped Edith
, rearing a revelation of her past, says that she is responsible. In a trap laid by Detective Jordan
to get Mabel
the truth comes out and Edith
's past is laid bare to her husband. He forgives her and the thieves are rounded up.