He is the leader of the Gu Group, cold and ruthless, and carries the family's dark secrets;
He is a gentle psychiatrist, elegant and modest, but he hides his identity as an undercover agent.
A psychological treatment intertwined the fate of the two people.
Gu Chuan thought Xiao Yan was the light that healed him, but he didn't know that he had other purposes for approaching him;
Xiao Yan thought Gu Chuan was the target of the mission, but gradually became addicted to the loneliness in his eyes.
Confronted by identity conflicts, emotional pull, conspiracy and betrayal, can they find each other's salvation?
When the truth under the abyss is revealed, how should they choose - let go or go to the abyss together?
Purpose: Love can break down barriers, heal wounds, and become the light that guides the way forward in the darkness.