10 years ago, Jake Lee's childhood friend, Mei Chong, and her family had an accident. In the process, she lost her two family members. Fortunately, Mei and her eldest brother, Ryan Chong survived, but because of this accident, she suffered from depression and trauma toward the bright light.
Fortunately, the family of Jake Lee, the Chong's family best friend, and best business partner, decided to take care of their children.
Jake and Mei had been together since they were young. Jake had strong feelings for Mei from a young age and the two even promised each other to always be together. Unfortunately, Mei seems to have forgetten this promise due to her depression, but Jake always keeps this promise and will do anything to make this promise come true.