Nonstop is a South Korean slice-of-life sitcom that broadcast its first season in 2000 on MBC. It continued with 5 more seasons. The series was popular for its cast of teen idols, many who debuted through the show..

Male and female contestants compete for "each other" in romance games. For example guests have to dance in order to impress the person they are after. Contestants are artists, actors, models, comedians, and MCs of the South Korean entertainment industry.

Celebrity guests are split into two teams to compete in various contests. One guest, known only to himself, is designated the "X-Man", and does his best to cause his team to lose the contests. At the end, all guests try to determine the X-Man's identity.

There’s Byung-Soo and Young-Chae who have grown up together ever since they were little. They seem to share everything, not to mention their dream so in order to together make their dream come true, they enter the same film company. And there’s Ina who is the successful owner and the president of the film production company. She also has Hee-Soo beside her but they are not desperately in love with each other and lead their own private lives. They just occasionally go out and sleep together. But all of a sudden there comes this young and lovable couple and somehow she’s not that pleased to see them. Why? This young couple seems to be such full of life and they’re in love! She has missed all that just in order to come up where she’s now. She is totally feeling at loss now and she just can’t stand this feeling. She asks Hee-Soo, “Take Young-Chae away from Byung-Soo.”

A fresh romance between a talent manager and an actor with dyslexia unfolds, inspiring strength and courage.