Tech company CEO Wu Congren has suddenly disappeared from the world to become "invisible". Just as he has lost all hope, he meets office worker Hu Xiaolu who is often overlooked by everyone. She is the only person who can see him in this story of mutual healing.
Ji Mo is an outcast, due to her ability to see monsters that no one else can. One day, she meets a monster hunter, Meng. She discovers that there really are monsters in the world, and she is involved in a new storm.
Geng Geng had been an ordinary girl before her entry to the best high school in the province by chance. She doesn't like her life there until she meets Yu Huai, her seatmate - their names make up the word "Geng geng yu huai", meaning "Unforgettable memories". They don't like each other at the beginning, but soon they start to understand each other.