Joyful Youth

For their honeymoon, a couple decide to go on a cruise. Soon they find out that they are not alone in the ship.

Four high school graduates who call themselves the "Team of 18" are unable to pass their university entrance exams and are afraid of being drafted into military service. As they frantically try to pass the exams and avoid military service, even if only temporarily, they find themselves caught up in a series of unbelievable events and intriguing coincidences due to the arrival of Deren, a stunningly beautiful girl who joins them for a specific purpose.