The play is adapted from Lan Yi's novel - INTO THE HEAT -. It mainly tells the story of young Liu Ziming who came to work in a criminal investigation detachment of the Municipal Public Security Bureau with passion in order to fight crime and realize his dream of being a police officer. However, his life was trivial and boring.The investigation work was boring to him.Under the guidance of his master, he gradually corrected his attitude and participated in solving cases together with his team members.The story of growing up into an excellent detective captain.