Dr. Frank Rosslyn, known to the world as a prominent physician, is in reality the head of a quack medical concern which dispenses patent medicines and advertises extensively. Rosslyn's son, Wallace, an attorney, is in love with Mary Rohan, a stenographer, who supports her aged parents. Mary's father becomes ill and consults with employees of the quack concern. His illness increases and Dr. Rosslyn is called in. Not aware that the man had been treated by his own concern, Dr. Rosslyn freely admits that he is dying on account of cumulative poisoning from patent medicines. After the old man's death, Mary and Wallace assist the medical authorities in running down the guilty practitioners. The investigation brings to light Dr. Rosslyn's double interests. The son hastens to defend his father while Mary appears against him for the prosecution. Dr. Rosslyn is convicted. Before he enters prison he tells Wallace that the girl did right and that he has already forgiven her. Wallace seeks Mary out...
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