No Name (2018)

The film begins with Susan starting her secret plan to revenge. On the day her husband Bob sold a script, she poisons Bob with a glass of champagne. Bob take the glass but seems not to drink it. That incident makes Susan change her plan. She returns to the bedroom to grab the knife she hid in her wardrobe to kill Bob. At the time she is about to rush upstairs, she hears Bob heavily falling down as well as the glass breaking into pieces. Through Bob's last words, we see he killed his friend William and stole the script from him. After Susan finished it, she sits down and recalls her past time with William.