Hye-Joong (Jung So-Min) can not remember anything before the age of 4. She experiences terrible nightmares every night. Unable to cope with the nightmares anymore, she heeds some shaman's advice and return to the hallway where her family stayed. The Grove is currently known as"Wonderland." There, she meets Hwan (Hong Jong-Hyun), Soo-Ryun (Jung Yeon-Joo) and a snowy rabbit. Throughout the next 15 days, Hye-Joong has to come across. When she succeeds her nightmares will stop.