orologio en CB01 OFFICIAL. Jeong-won, along with the couple Jae-hyun and Jeong-an, has planned a summer vacation together. However, the day before the trip, Jae-hyun and Jeong-an had a fight, creating an uncomfortable atmosphere between them. As tension mounts, Jeong-won finds himself increasingly uneasy and distressed, both from the strained relationship of the couple and the sweltering summer heat.