During a robbery at Melanie's bank she ends up as a hostage and is kidnapped. Sammo is desperate to find her and save her from danger.

The murder of a DA leads to Sammo and his colleagues uncovering a lawyer who hires a gang to steal prosecution evidence.

Sammo's comes to America to find one of his colleagues from China who has disappeared whilst infiltrating an international car theft ring. Sammo ends up taking part in a cop exchange programme between USA and China.

Sammo and Tyrell go undercover to infiltrate a gun-smuggling operation run by prison inmates.

While waiting at the airport for the arrival of his teacher, Master Reng, from China Sammo gets involved with trying to stop a gang of crazed terrorists.

Lee Hei and his daughter continue to cause trouble for Sammo and his fellow cops. This time though they are told that if they don't catch them then their unit could be shut down.

Sammo uncovers a diamond counterfeiting and smuggling operation ran by a major Chinese criminal, Lee Hei.

When fighters start dying in an Internet based all-in-fighting competition the LAPD are called in. Louis goes undercover to see whether or not the fighters are being murdered

Using his status as a new and unknown member of the LAPD Sammo goes undercover to help the team root out a group of vigilante cops.

A prisoner escapes from jail and goes looking for the $3 million he and his colleagues stole 5 years earlier.

Lee Hei and his daughter, Lin Pai Chin, are back in America trying to set up a big drug deal to finance their other criminal activities.

A friend of Sammo's owns a restaurant. He refuses to sell to Nathan Babbott, a big businessman, and then gets attacked. To help his friend Sammo begins an investigation into Babbott. Sammo has problems trying to open a checking account at the local bank.

Sammo's nemesis, Lee Hei, is back in the US and attempts to assassinate the mayor of Shanghai.

With the help of a federal agent Sammo and his fellow officers go after a gang who are counterfeiting money.

A gang threatens the supermarket owned by Terrell's mum and step dad. He decides that he is going to help them out and enlists Sammo to aid him.

Winship discovers that his niece is involved with a Triad gang and assigns Sammo and Tyrell to track her down. Terrell is now part of the department.

Billy Rafferty, Terrell's former partner is found murdered. Terrell and Sammo investigate the last case he was working on, working undercover at a racetrack.

Sammo and his colleagues try to discover the whereabouts a group of White Supremacists armed with heavy weapons.

Sammo and Tyrell try to nail an illegal animal trading and hunting ring.

Sammo and Terrell pursue a sweatshop proprietor suspected of selling babies.

Terrell Parker, an LAPD press officer, sees his cousin, a rap artist shot by an assassin. His life saved only by the appearance of Sammo and Louis. Terrell tries to get himself involved in the investigation by partnering up with Sammo. Between them they uncover a CD bootlegging operation.

Sammo discovers that a legendary gangster and drugs dealer has left Colombia and come back to Los Angeles, looking for his ex-wife and son.

The MCU gets a new chief, Amy Dillon, after Winship retires. As soon as she takes up her appointment Sammo is kidnapped by a recently released thief and has a very complex bomb strapped to his chest. Daniel Darius, the thief, was part of a team who managed to steal over $50 million worth of art from an auction house. He was the only one who was caught and now he wants his share of the money. Problem is he has no idea who the rest of the team were and has only very brief descriptions of them. The MCU has only 8 hours to solve a 15 year old case before Sammo goes Blammo!

Sammo and Tyrell are working undercover with some jewel thieves when they are attacked by another group of, heavily armed, thieves. They attack their own comrades and join the new gang so that they can find out who they are, and who they are working for. The new gang specialises in robbing other gangs of criminals which leaves Sammo and Tyrell in a dangerous situation. The MCU have no idea where their two fellow officers are or what they are up to.

A notorious Japanese assassin arrives in America, brought in by Gordon Ganza, a top ranking drug dealer. He is there to make sure that a deal with the Bolivians goes through by killing a public official that is causing them difficulties. Grace, who is working undercover in the Ganza organization, tries to get close to Nakamura so that she can find out who his target is and get that information back to Sammo & Terrell.