Kwangkyu & Hyunmoo & Jungwan & Kangnam are together for the winter! Kangnam is transformed into a daily ski instructor. They're going to take an eye-level lesson for ski beginners! There's a slapstick parade on the snowy field that you can't see without tears. Will they be able to enjoy the true taste of the ski resort? Taegon is celebrating his 38th birthday! From his mother's heartfelt birthday table and a friendly surprise party of childhood friends, Taegon has a happy birthday with his loved ones. Meanwhile, what is the special birthday present that warmed Taegon's heart?