Hye-Joong (Jung So-Min) can't remember anything before the age of 4. Every night she experiences terrible nightmares. Unable to cope with the nightmares anymore, she heeds the advice of a shaman and goes back to the villa where her family stayed 24 years ago. The villa is now known as "Wonderland." There, she meets Hwan (Hong Jong-Hyun), Soo-Ryun (Jung Yeon-Joo) and a white rabbit. During the next 15 days, Hye-Joong has to find something that is missing. If she succeeds her nightmares will stop.
Jeong-hye gives a birth to a baby boy in the prison. Her and other inmates create a women's choir to compete in the national choir contest, to meet and greet their families and loving ones.
Hyuk-Jin has just broken up with his girlfriend and decides to take a trip to Jeongseon in the province of Gangwon-do. The next day, his friends are too hung over to get up, so Hyuk-Jin makes his way to his destination alone. A trip of opportunity takes a cruel and unexpected turn as misunderstanding and crossed paths occur over and over again.
A young man, whose only possession is a motorcycle, spends his time riding around the city looking for empty apartments. After finding one, he hangs out for a while, fixing himself something to eat, washing laundry or making small repairs in return. He always tries to leave before the owners get back but in one ostensibly empty mansion he meets the abused wife of a rich man and she escapes with him.
One day, Hwa Young (Lee Seong Yeon, 3-iron) receives a mysterious parcel labeled "So Hwa 20 Years". In it, she finds an official death notice and some personal belongings of a Japanese soldier. A photo displaying the deceased soldier and a woman catches her attention. The woman on the photo looks just like her! Terrified, Hwa Young throws out the package, but a few days later, the same package reappears.
Soo-Jung (Lee Seung-Yeon) has a bright and honest personality. She is loved by many people. Soo-Jung works as a magazine photographer. When Soo-Jung gets tired of work and life in general, she goes to her friend Young-Ha's (Park Yong-Ha) workroom. Although she always shows others her bright side, she confides to Young-Ha about her sadness and loneliness. Yong-Ha wants to embrace her pain, but there is a wall between them. Soo-Jung again faces a difficult situation. She then meets Ji-Hwan (Lee Kyoung-Young).
Kang Dae-Ho, a naughty boy used to be an academic failure, could not be more different than Ko Eun-Bi, a prim girl and model student. On one stormy day, lightning strikes both of them and knocks them unconscious.
