Pak Boong Kub Goong Nang

Pak Boong and Goong Nang are two people who look alike but have different personalities. Pak Boong was born into a poor family and her mother is kind of abusive. While Goong Nang was born into a rich family. Pak Boong also knows how to fight or do Muay thai, and knows how to protect herself, while Goong Nang is the weak one. One day, they meet and decide to switch places with each other.
(Source: AsianFuse Wiki)