The old city of the Republic of China was turbulent. Lin Xuan, a master of disguise, was accidentally involved in an intelligence battle codenamed "Fengxue" and was forced to team up with double agent Su Wan and muscle partner Gao Yong to fight against the mysterious underground organization and the ruthless villain Black Hawk. The three-person special agent team travels in the world of espionage where intrigues and deceptions are hard to tell, with both humor and wisdom, hardcore and cunning tactics. In the process, we not only have to protect core secrets, but also see through the multiple mysteries of spies, undercover agents and moles, and unravel the mysteries in their hearts. Every place and every reversal is a matter of life and death. Along with the crisis-ridden missions, the characters get to know each other, trust each other and even develop secret feelings. In the end, the conspiracy is revealed in the serial layout, achieving personal growth and perseverance of faith.
