Destiny can not be turned apart by selfishness, since it written even before someone wants another.

Conflict, hatred, and disaster are just a story to bring the casts together.

* *

Mark Lee returns to Seoul at the request of his ex. However, Kim Jaemin - Mark's lover who is also on the trip must meet his past story that is buried well in Seoul.

Seoul swayed their feelings again like a bungee. Lee Jeno who is closest to Haechan (Mark ex lover) finally met Jaemin. They broke long story which was actually the selfishness of four people relateabled.