The series explores a complicated romance between a young woman and her ex girlfriend’s sister. What begins as concern and emotional closeness gradually turns into something deeper. As they attempt to conceal their feelings, the emotional stakes rise. The more they try to step back, the more entangled they become. The premise suggests a character driven drama built around secrecy, tension and emotional intensity.
The Ex's Sister is a Thai Girls' Love (GL) series produced by HeartPop Studio, starring the popular duo Grace and Ningning. It follows an intense and emotionally complicated forbidden romance that develops between a young woman and the sister of her ex-girlfriend.
