Actress Lee Mi Sook will act in KBS' new weekend drama “Lee Soon Sin is the Best.”

Lee Min Sook will act as Song Mi Ryung, Lee Soon Sin's (IU) mentor. She is the most recognized actress in the industry. She has been able to maintain her fame thought the years, being admired by many men and being the envy of young actresses. She saw the potential in Lee Soon Sin and will help her in that difficult world.

She will have a hate relationship with Lee Soon Sin's mom, due to their complicated past.

The actress recently appeared in the drama "Can We Get Marries" as Deul Ja, and gained a lot of love from the public.

Lee Soon Sin is the Best” is about a family who has to deal with the challenges of loosing their father. Lee Soon Sin, the youngest of the family travels to Seoul, and becomes a big star, with the help of a business man.

The drama will air after “My Daughter Lee Seo Young” ends.