Eun Ho, a well-known author under the pseudonym Meng Geum Ho, is enrolled in a new school. He is averse to socializing with his peers, and his distant attitude earns him a notorious reputation as one not to be trifled with.
After witnessing Meng Geum Ho's altercation with a group of students, a meek and unpopular girl known as "One" flees in terror, accidentally leaving her lunchbox behind. When Meng Geum Ho discovers the forgotten item, he sets out to locate its rightful owner and makes a mysterious request of them.
As fate would have it, One and Meng Geum Ho are paired together for a school field trip. What ensues when the two must work together? And what is Meng Geum Ho's request?