The Substitute Wife is a 1925 American silent drama film written by Katherine Smith and directed by Wilfred Noy.
When nurse Hilda Nevers returns from the Orient, she is left penniless because her father has died.
She goes to work at a hospital where Dr. Kitchell is impressed by her voice, which is almost identical to that of his lover, Evelyn Wentworth.
Hilda is substituted for Evelyn, who is then free to continue her affair with the doctor.
A family friend finally exposes the situation, but by then, Hilda and Sinton have fallen in love.