Jiang Zijing returns to China to investigate her mother's car accident five years ago. Her childhood friend turns into a possessive yandere, a foreign infatuated boss, and black urban love. 1 Lu Jingze: "Don't leave me, don't fall in love with others" "Don't stop loving me, okay" "I really love you..."
2 Tang Juan: "Don't leave when you come back." "Jiang Zijing, as long as you look back, I will be there."
Concept: The world is black, what can you change?