Piano

Eok Kwan, who was made second-in-command of the team by his boss Hak Soo, is wary of his rival Serpent.

Hye Rim moves to Busan with her children and prepares for a new life by constructing a piano studio.

Eok Kwan helps Hye Rim when her sister-in-law beats her up, but his help only makes things worse for her.

Eok Kwan has a happy life after marrying Hye Rim, but one day, he encounters his old boss, Hak Soo.

Kyung Ho is in danger of being expelled from school and Eok Kwan meets with his teacher to prevent it.

Serpent starts to be interested in Kyung Ho and does everything in his power to convince him to join his gang.