The story follows Serious Crimes Unit Inspector Chen Shaoqiang as he tries to figure out a series of armed heists and seemingly unrelated murders. Shaoqiang must revisit his troubled past as a member of the elite Special Tactics Unit, where a botched raid shattered the unity of his team and took the life of his mentor Wu Tianle. The resulting cover up destroyed his relationship with Tianle’s sister Wu Qizhen. Heists are targeted at financial firm BWB Capital, where Qizhen and another former team mate, Wang Zhengming now work. Shaoqiang, and his new partner Yan Yongcheng, must race against the clock to catch the perpetrators as the heists escalate into a hostage situation.