Heaven's Promise) is a 2016 South Korean television series starring Lee Yu-ri (in a twin role),[1] Seo Jun-young, Park Ha-na and Song Jong-ho.

She supports her boyfriend Tae-joon (Seo Jun-young), who is from a poor background, and has even given up entering a university.

But Tae-joon dumps her for his success and goes with Se-jin (Park Ha-na), who is the granddaughter of the Baekdo Company president.

Do-hee works as a reporter at a weekly magazine, and is the girlfriend of Hwi-kyung (Song Jong-ho), who is the successor of Baekdo Company, and Se-jin's step-uncle.

After a series of events, Se-jin's family wrongfully placed Na-yeon in a mental hospital.