Ubathteehet (1990)

Visanee is perfect in terms of status and money, but throughout her life she never felt loved because her parents got divorced and her father send her to study abroad. When she came back to Thailand, she decided to stay with her mother (a drunkard who only cares about money and gambling). Visanee also starts to work in her father's car company as Aroom's secretary. Aroom's girlfriend, Niranut, doesn't like Visanee and does everything to drive her away from him. She even cut the brake cable on Visanee's car, but the situation changed when Niranut was hit by the car and Visanee became a murder. Now, Aroom wants revenge against Visanee for killing his girlfriend.