GOKDU;spreads its wings

When a single mother learns that she has terminal cancer, she prepares her young daughter to live without her, while saying goodbye to others around her.

In the near future, various factions will wage a secret battle for untold treasure and ultimate power.

Ji-soo is unsuccessful in fulfilling her dream of becoming a famous pianist. However, when she comes across a child with great potential, she decides to fulfil her dream through him.

Cheol-min makes a living by working in the shipping business. He has a daughter suffering from a heart condition, and in need of surgery. To save his daughter, he urgently needs the tremendous amount of 60,000,000 won. To make this money, he gets involved in dangerous illegal gambling and barely saves his life by promising he will take care of body disposal for the gang. On his way to Gangwon-do where he intends to dump the bodies, he encounters a police van that had been in an accident, and ends up giving the police officer a ride. Although this situation is tense, events take a turn for the worse.

A man invites a young couple to vacation on a remote island to help reignite their faltering relationship. He initially seems to be a good host but the couple starts to suspect that his true intentions are much more sinister.