Jisu, a virtual YouTuber with a dream of becoming a singer, hides her face and performs under an avatar. After passing the first round of an audition, she decides to lose weight quickly for the next stage and enters the strict Seonnyeo Fasting Center. On her way there, she meets a man who resembles her ideal type. However, the fasting center's rules are tough, and she constantly clashes with the grumpy manager, Yunho. Amidst hunger, the tempting smell of grilled pork wafts from a nearby restaurant owned by the man she met, leading Jisu into a moral struggle between temptation and her dream of becoming a singer.

Mi-sun and Do-kyung might be used to struggling in the most dangerous part of Seoul's Gangnam district, but that doesn't mean they've settled into it. With no one but each other to rely on, the two friends grind away to save the money needed to leave their dangerous lifestyles behind. But just as "retirement" comes within reach, the world betrays them, shattering their hopes. On the edge of a dead end, they discover a hidden fortune of dirty cash and gold in Gangnam – and place all their bets on one final high-stakes gamble of a lifetime.