In-Kyung gives up studying to support her stepmother and younger stepbrother Han-Soo. The stepmother sells In-Kyung to become a concubine to support her son Han-Soo. In-Kyung boards a train for Seoul after learning her fate. In Seoul, In-Kyung goes through numerous hardships to achieve her dreams and to attain love.

With high competitive spirit, a high school gangster Seung-in lets nobody to win over him. Hyun-tae is his best friend but wants to fight with nobody. One day, two boys get caught into a big fight that the local mobster is involved in, and they realize what true friends are.

During the Joseon Dynasty, lowborn Chae-sun challenges the rule that states only men allowed to sing while navigating devotion to her teacher and the demands of the king's father.