Four close friends named Tae jeong, Do jin, Yeon min, and Geum bok spent their younger years dreaming about taking an unforgettable trip abroad together. Back then, they promised each other that one day they would travel the world and create memories far from the responsibilities of everyday life. However, as the years passed, work, family obligations, and the pressures of adulthood slowly pushed that dream aside. Now older but still holding onto their youthful spirit, the four friends finally decide it is time to make that long postponed journey a reality. What they expect to be a relaxing and carefree vacation quickly turns into something far more unpredictable. From strange encounters to ridiculous misunderstandings, their trip begins to spiral into a series of chaotic and often hilarious situations that none of them could have anticipated. Along the way, old memories and emotions that had been buried for years begin to resurface. The journey becomes more than just a simple vacation. It turns into a chance for the friends to rediscover their bond, confront the changes in their lives, and relive the spirit of their younger days. Through every unexpected twist and misadventure, their very first ride together becomes an unforgettable experience that will stay with them for the rest of their lives.