In "Happy Ending," the head of the family is Kim Doo-Soo (Choi Min-Soo), who works as a local news reporter at a broadcasting station. His work always keeps him busy. Meanwhile, he has a wife, two daughters and one son. His oldest daughter works, while her husband studies to become an attorney. His second daughter wants to marry a rich man and has just gotten a job. Meanwhile, the son is a high school student.
One day, Kim Doo-Soo feels an ache in his ribs. He takes some tests at the hospital and is stunned to hear that has a terminal disease. With not much time left, Kim Doo-Soo prepares his family for his farewell.
