When he gets demoted to insurance salesman, Dong-sik struggles due to his tactlessness and lack of charm.

He then discovers that his mother borrowed money from a loan shark to pay for his father's promotion to Principal at a local school.

In order to improve his sales and pay back the loan sharks, Dong-sik seeks help from legendary silver-tongued master Hyeo Go-soo (Sung), whose book about wooing and persuading others is deeply prized among his colleagues.

[3] The film was released on March 2, 2012,[4] and grossed $3 million at the South Korean box office.

[5] It received generally positive reviews and was described by The Korea Times and The Chosun Ilbo as the strongest South Korean comedy of the year.