Fatal Promise – 위험한 약속
Other name: wiheomhan yaksok, Dangerous Promise, A Dangerous Promise

Country: Korea
Genre(s): Romance, Drama, Melodrama
Release: Mar 30, 2020 – Aug 31, 2020 Runtime: Monday to Friday
Episode(s): 100
Broadcast: KBS2
Director(s): Kim Shin Il Writer(s): Ma Joo Hee
Cast: Park Ha Na, Go Se Won, Kang Tae Sung, Park Young Rin, Lee Chang Wook

Summary
A fierce revenge melodrama about a girl who is pushed to the edge of a cliff while fighting the unjust and a man who breaks his promise with her and starts a family of his own, reuniting 7 years later.