5 year old Mark Lee and 4 year old Lee Donghyuck were best friends.They do everything and go anywhere together.One wouldn't be seen without the other as they were a package and inseparable.That was until Donghyuck's family had to move overseas and Mark was left alone with a promise to meet again. 12 years later,they do meet again.But they don't remember each other.

Photographer Lee Jeno just wants to get through this photoshoot in peace but a certain pink-haired model won't let that happen.