The Beloved Impostor (1918)

Dick Mentor's wife is killed in an auto accident while deserting her husband for another man. Soon after, their child dies, which leaves Dick a confirmed woman hater. Betty, an attractive flirt, learns that Dick is coming to visit and bets Hugh, an admirer, a kiss against a horse that she can win the misogynist's love. By masquerading as a charming twelve-year-old, Betty captivates Dick, but in the process, falls in love with him and is afraid to admit the hoax. When Hugh presents Betty with her horse in Dick's presence, she finally confesses all, and her declaration of love melts Dick's anger.