Actress Kim Yoo-jung is the new guest for their trip to Mount Cheonma Pine Tree Forest. It is the place where Yoo-jung recommended as she goes camping to the forest occasionally. Since Yoo-jung worked with all the members, she shows perfect chemistry with them as well as her bubbly charms. They try trout fishing, and Hee-won shows off his fishing skills. Meanwhile, Yoo-jung and Si Wan prepare the dinner.