Ki Moo-Hyeok, a lawyer with a high winning rate, only cares about money. Due to a murder case at a high school which he deals with, his reputation as a lawyer hits rock bottom. To regain his good name as a lawyer, he sneaks into the high school and work as a temporary teacher. He tries to reveal a secret which the students have, and gets involved with Teacher Ha So-Hyun, a P.E. teacher who loves her students. They then face the students'secret.
Set during the period of the 1894 Donghak Peasant Revolution against the Japanese, the drama tells the story of two half-brothers, one illegitimate and low born, and one, part of the pro-Japanese ruling elite, who find themselves on opposite sides of the conflict.
Shin Suk-Ho worked for the biggest entertainment company as a director, but he is now the CEO of a new and tiny entertainment company. He gathers people to form a band. Through various incidents, Shin Suk-Ho becomes a real and successful manager.