Seo Ye Ji plays Lee Ra El, the central figure in the 2 trillion won divorce lawsuit. Lee Sang Yeob plays Seo Eun Pyung, a human rights lawyer who loves Lee Ra El. Yoo Sun plays Han So Ra, the only daughter of the most powerful politician in the political world and the wife of a chaebol executive. She has a dignified appearance, but is deeply insecure, obsessed with staying young, and a cleanliness fanatic.