A fire nine years ago took away my father's life. My brother and I just wanted to find out the cause of his death, but we were constantly involved in deeper conspiracies. What is the story behind the familiar math teacher in the cram school that I accidentally signed up for? What is the relationship between the disappearance in the orphanage fifteen years ago and the teacher? Suddenly appeared in my brother's and my life, the identity of the detective neighbor with unknown origin became a mystery. Why is everything inextricably linked to the fire? A letter from a strange woman breaks the superficial peace; there is a mystery behind the invitation from Black Jade Villa. My intermittent amnesia, my brother's childhood shadow, and my father's best friend's secrets all ultimately point to a seemingly impossible truth.
Who was the last informant?
Concept: Art comes from life
