Hotel del Luna S01E04 - Episode 4

Man Wol tells Chan Sung to take good care of her. As Man Wol opens her heart to Chan Seong, new leaves start to sprout from the Moon Tree. Such a change agitates Man Wol and the staff of the hotel. They start to think everything has begun to change after Chan Sung joined the hotel. Meanwhile, the door to Room 13 is finally opened.