A Tale of Two Sisters (Hangul: 지성이면 감천; RR: Jiseongimyeon Gamcheon; lit. Sincerity Moves Heaven) is a 2013 South Korean television daily drama starring Park Se-young, Lee Hae-in, Yoo Gun, and Park Jae-jung. It aired on KBS1 from April 29 to November 1, 2013, airing every Monday to Friday at 20:25 for 135 episodes.
Choi Se-young works part-time for a broadcasting company, and dreams of becoming an announcer. She was adopted when she was a young child. After she reunites with her birth mother, she becomes torn between her adoptive family and biological family. She goes through hardships between Yerin, but still forgives her.