In the bustling 1930s China, a skilled martial artist and pilot named Inspector Hu is tasked with tracking down a stolen military aircraft. Her quest takes her to Shanghai, a city laden with intrigue and danger. Here, she's drawn into a complex web of international espionage, where warlords are plotting to gain the upper hand in a tense political atmosphere. Inspector Hu's mission is critical—to recover the aircraft before it falls into the wrong hands and threatens national security. As she delves deeper, she uncovers a conspiracy that could have devastating consequences if not thwarted in time. Throughout her journey, she must navigate a world rife with deception and betrayal, staying one step ahead of relentless adversaries.

Amidst her pursuit, she encounters a crafty pickpocket and a resourceful engineer who unexpectedly join forces with her. Each brings unique skills to the table, and their combined efforts become instrumental in advancing the mission. Together, they face numerous challenges, including high-flying aerial stunts and intense fights that test their limits. The characters must rely on their wits and martial prowess to confront the looming threats. As tensions rise, the group finds themselves in a race against time. With stakes higher than ever, they must make swift decisions to outmaneuver the enemies lurking at every turn.