Officer WU Ying-xiong of the Southern Precinct has been celebrated as a hero in Harbor City after thwarting a terrorist attack on a Boeing 777, ensuring the city’s safety. However, this tranquility is short-lived. The city is thrown into chaos as a string of bombings occur in quick succession, marking the start of a complex conspiracy. In the face of this unparalleled crisis, a duo with completely contrasting personalities emerges as the city’s sole hope for resolution. Yet, as moral boundaries blur, they must question what beliefs they should uphold to preserve what is deemed justice.