Locked Doors (1925)

While vacationing in the mountains, a young architect, John Talbot, meets Mary Carter at a mountain stream. They start a romance while neither knows the background of the other. Back in Los Angeles, they are thrown together at a party given by John's boss and benefactor, Norman Carter, where John learns that Mary is Mrs. Norman Carter. Carter's sister tells him she suspects the two are having an affair but he refuses to believe it. Later, when a fire breaks out, Carter rushes upstairs to rescue Mary, breaks through the locked doors of her bedroom, and discovers his young protégé and young wife there together.