The series follows Detective Carter, a radical LAPD detective, and Detective Lee, a by-the-book detective from Hong Kong, as they are forced into forming an unlikely partnership

When Lee’s sister, Kim, risks her life to tip him off about the Quantou gang trafficking women into Los Angeles, Lee leaves Carter in the dark while he gathers inside information about the gang’s plans to infiltrate the city.

After thwarting an armored truck robbery on a busy highway, Detectives Carter and Lee discover it may have been a dry run for a bigger heist but disagree who the suspects are.

When a meeting of rival Los Angeles gang lords is orchestrated by the Quantou gang, Carter and Lee must infiltrate it to find Lee’s sister Kim and save her from going further with the Quantou.