Constance Bannister enters into a trial marriage contract with Dr. Thorvald Ware and finds happiness with him. She defies his wishes by dancing at a charity ball in a revealing costume, however, and he dissolves the contract, not knowing that she is with child. A year passes. Constance marries Oliver Mowbray, and Thorvald marries Constance's sister, Grace. Both couples are quite unhappy and later obtain divorces. Oliver and Grace go to Europe, and Constance and Thorvald are married in a civil ceremony, united by their love both for each other and for their child.