Gu Zhi, who was born into a wealthy family and was known as a genius, was forced to wear a "mask" after his parents were murdered by "faceless" when he was young. When he grew up, he came to Haicheng Police Station with a purpose and became a member of the investigation team.
The leader of the investigation team, Jiang Wenrang, was devoted to the sun. He was bullied as an orphan since he was a child. When he grew up, he hated evil. He became the best partner with Gu Zhi and took off Gu Zhi's "mask" with his own hands.
Concept: People are not necessarily what you see, they have many masks