Song Chae-yun

A love drama about two men in love with half-sisters but raised like real twin sisters in the setting of the 60s to the 70s.

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.

Four friends pledge to commit suicide together but while standing on the ledge, only one of them actually jumps. Her ghost begins to haunt the remaining friends until the pledge is fulfilled.