Watch Who Killed Lady Winsley? for Free: How to Stream the Movie Online at 123Movies. . When Lady Winsley, the famous American novelist, is discovered dead on the remote Turkish island of Büyükada, the great detective Fergün is sent from Istanbul to solve the murder case. With the help of Azra, the beautiful local hotel tenant, he must confront stubborn members of the island community to untangle well-guarded family secrets and discover who the murderer is.