Taizan Muto (Kenichi Endo) is the Prime Minister of Japan. His son Sho (Masaki Suda) doesn't like him, because he feels his father neglects their family. Sho is a university student and refuses to live at home. One day, Taizan and Sho switches bodies. Not knowing how or why this happened, Sho has to up at the national assembly as his father. Meanwhile, Taizan begins to live as a university student. On behalf of his son Sho, and tries to find a job. While trying to figure out how to get back.