13 Hours in the flight to London with Korean International A380,destiny choice to be Lee Seohyun and Jeon Jeongguk, her ideal man. Create a great memory at the sky.

They called themselves as Heaven Couple for 4 hours, dance together, visit the whole plane together, taste Caramel Latte together… But when the plane reaches the ground, it becomes like water vapor at the sky.

“Seohyun, thank you for last night… But I can’t have all the time.” – Jeon Jeongguk.

Seeing the lovely couple of Jeon Jeongguk with his reality girlfriend, a beautiful model makes Seohyun wakes from a beautiful dream.

At London, A380 makes Lee Seohyun meets Kim Joonmyun Suho, a billionaire. Without know the reason, Naeun, Suho’s daughter thought Seohyun is her mother.

“My daughter likes you. If you’re willing to let her call you mommy… I will pay you fifty bucks per hour…” – Kim Joonmyun Suho.

“Is there anything else?” – Lee Seohyun

“A Hyundai Sonata, is that okay?” – Kim Joonmyun Suho

“I want the latest version of Hyundai Sonata. I don’t want anything else.” – Lee Seohyun

Lee Seohyun’s presence makes the Kim’s family’s live more beautiful. The brownish eye billionaire that makes Seohyun’s life meaningful than before. But until it all almost getting start, Jeon Jeongguk come to find a love.

“I miss you, Seohyun… Don’t tell me that you are married and this girl is your daughter.” – Jeon Jeongguk

Will the dream will stay forever or it will go away? Who will Seohyun choose Suho or Jeongguk?