Set during the IMF crisis in 1997. Only one week left until South Korea will go under sovereign default. Han Shi Hyeon is a leader of the monetary policy team at the Bank of Korea. She was the first to predict the possible sovereign default. Shi Hyeon is then assigned to a crisis team. Yoon Jung Hak works in the finance field. He bets everything under the real possibility of a sovereign default. Gab Soo struggles to protect his company and family during the crisis.