Business tycoon Gu Yu'an uses the survival of his company as bait to trap Lin Qi, his arch-enemy, by force and robbery. It was originally a carefully planned prison game, but as they get along day and night, the boundary between hunter and prey gradually gets out of control.
Purpose: "The strongest cage is often built by love, and true rescue begins with understanding - understanding the other person and understanding yourself. What a real canary ultimately has to learn is not to escape from the cage, but to still choose to sing after recognizing all the constraints."