Ui-jun suggests that Geum-ju take an alcohol dependence test. Seon-wook teaches taekwondo to Hyun-joo so she can relieve her stress. Geum-ju, Hyun-joo, and Jung-soo's secret drinking does not escape Gwang-ok's notice, and they are forced to go to the Sobriety Camp held at a temple.

A medical checkup reveals how much damage alcohol has done to their bodies, so Geum-ju, Hyun-joo, and Jung-soo decide to stop drinking right away. Ui-jun promises to grant Geum-ju's wishes if she manages to stay off alcohol for a week. But soon, a challenge emerges that puts Geum-ju's strong determination to the test.