Woman of 9.9 Billion
Episode 2
S1 E2:
Hee Ju asks Seo Yeon if they are real friends. Seo Yeon talks back to Hee Ju, and In Pyo gets mad at Seo Yeon. At that night, Seo Yeon tries to drown herself in a river, and Jae Hun tries to stop her. At that moment, they hear a weird noise, and they get to find a huge amount of money.