Oh Sun-hee, the greatest star from Wando, files for divorce after a long-standing conflict with her husband, Kang Sung-gi, and heads to her hometown, Wando, to escape the noisy media. Initially planning to visit her parents' graves and then return to Seoul, she is drawn back to Wando by a familiar restaurant sign. There, she unexpectedly reunites with friends from her childhood.
Singer-songwriter Kevin is in trouble ahead of the release of his new song. As he rides his bicycle to visit the place where he performed before his debut, Kevin's mind recalls the events with the people he met on his bicycle trip in the past and he gets comforted and inspired by the times he spent with them. Kevin encounters an empty concert hall that is about to close. There, he completes his new song with the help of his best friend and colleague, Sang-wook, who died first in a car accident.
The seawater belonging to the National Intelligence Service's International Crime (Drug) Team is called 'Panfunction' in the house on behalf of a colleague who died during the operation, and the blankjack of the unidentified gambling, 'Blackjack', aims for 6 billion won drugs. You know that there is. Now there is only one way to catch him. Seawater decides to jump directly into dangerous gambling boards.
The various faces of youth and people in an enclosed space of a convenience store for 12 hours.