Ke Lei is the captain of the Tiger Assault Team which is a special police unit that handles difficult and dangerous missions from saving lives during natural disasters to freeing hostages. He is one of the top performers in the police force and a serious instructor during training. Ke Lei loves his job and has a strong sense of duty to serve and protect. But privately, he is a shy gentleman who lacks dating experience. He is now called to a mission to save hostages in a jewelry shop.