Raeng Ngao (2001)

Fai Chon Saeng is similar to Raeng Ngao :
-Twin sisters
-One weak sister
-One strong sister
-One died, one survives
-Revenge theme

Song Naree is another twin drama just like Raeng Ngao and they both feature the same female actress.

Poisonous Passion is similar to Raeng Ngao because of the "Internal Death" and back to revenge side of the female lead, the twin sister in Raeng Ngao and herself inside a new identity for Poisonous Passion, using her appearance to seduce and revenge the man who used to hurt her in the past.

Story of a twin that pretend to be in other shoe in order to investigate and seek revenge. Both have mystery suround it and a revolve around a rich family.