Choi Woohyeok is a college student whose insomnia has gotten worse recently. After moving into a new place alone, not only is he not able to easily fall asleep, he'd have all sorts of nightmares even if he somehow did, and his exhaustion piles up as a result. Seeing Woohyeok in such a state, his friends have various worries, such as whether there's a ghost in his place, or if he needed to conduct an exorcism. One of his classmates even told him that a Dokkaebi was said to grant simple wishes, should he offer snacks or find items as an offering to them. Even though Woohyeok waved them off, he thinks back on their words when he goes to bed that night. He might have told his friends to cut the crap, but seeing that he hasn't been able to sleep well for 2 weeks, Woohyeok is willing to try anything. He takes out a lollipop from his bag and leaves it on his nightstand, making a sincere wish for a good night's sleep before heading to bed. That very night, as Woohyeok lay in bed, wishing for t