On a windy night, Lassie hears screaming coming from the woods, and upon investigating, finds a foreign girl named Anna wandering about lost. Befriending the girl, Lassie brings her home to the Martins. They discover she is a European girl that the Wilkins family has taken in temporarily. She is enrolled in the Calverton school and Timmy begins acclimating her to the area by taking her on a picnic. He notices she always eats as if she is starving; at first he does not notice that she is also hoarding food. Anna is continually coming in late, and then Miss Hazlit begins having complaints from Rudy that things are disappearing from the childrens' lunch boxes. When Rudy accuses Anna in front of the other kids, Timmy fights with him until Miss Hazlit breaks it up and makes Rudy apologize. Timmy comes home, however, and overhears Miss Hazlit telling Ruth that she also suspects that Anna is the thief. Timmy is disturbed, but agrees to let Miss Hazlit take care of the matter. In the meantime,