Tangled Threads (1919)

Margaret Wayne is devoted to her husband John Rutherford Wayne and their small son "Sonny Boy." Her husband forsakes her for pleasure-loving Rita Kosloff. Family friend Philip Northrop tells Margaret of her husband's unfaithfulness. To make her husband jealous, Margaret pretends to be interested romantically in Philip, not knowing that he actually is in love with her. After Philip implicates Margaret in a compromising situation, her husband is eager to divorce her. He gains custody of their son and marries Rita. "Sonny Boy" becomes ill, and Margaret, who has become a nurse, is summoned to care for him. Margaret's devotion saves the boy's life and makes John realize that he has made a mistake. Philip then decides the only way out is to kill himself and Rita, which he does on a joyride. Margaret and John are finally reconciled.