Jung Joo-yeon

Eun-Hyuk's gang can't do anything but get into fights. Their anger is right now pointed at Korean-Chinese Kil-Nam's gang. A turf war begins between the two groups. Eun-Hyuk then meets Chinese girl Ching-Ching (Jung Joo-Yeon), who came to Korea to become a singer. Eun-Hyuk feels begins to have feelings for her and he also begins to have doubts with the ongoing turf war with Kil-Nam's gang. Meanwhile, an incident occurs with vicious loan shark Yoon-Sik, which inflames the turf war between the two gangs. Ching-Ching is also ordered to have sex to make her debut as a singer.

Based on the Japanese novel, "Bones of Steel", "City of the Sun" follows Kang Tae-joon who has strong ideals about construction but discovers corruption in both the company he works for and the supervising agency.

Oh Wan-soo, who married into the powerful Hwain Group, faces death threats. She crosses paths with Seo Do-yoon, a bodyguard investigating a friend's death that is tied to the Hwain Group. Together, they unravel Hwain Group's secrets tainted with desire.