"Never Twice" follows people at the Paradise Inn, located in the middle of Seoul.
Gam Poong-Ki (Oh Ji-Ho) stays in room 5 at the Paradise Inn. He has an attractive appearance and a good sense of humor.
Bang Eun-Ji (Ye Ji-Won) stays in room 6. She is single and with a beautiful appearance. She is honest and has warm heart.
Geum Bak-Ha (Park Se-Wan) stays in room 4. She came from a small village by the sea. She has a bright personality.
Meanwhile Na Hae-Joon (Kwak Dong-Yeon) is the successor of the Koosung Hotel, a five-star hotel. He is the grandson of the hotel's chairman. Koosung Hotel is located across the street from the Paradise Inn.
