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.
Sammo and Tyrell are given the assignment of 'babysitting' a prisoner who has been given permission to go to his sisters funeral. The prisoner is Alistair Temple, 'The Silver Phantom', a master criminal who is known to be able to get in anywhere, get out of any restraints and should never, never be left unguarded! When the three of them get to the church they are ambushed and Temple is taken from Sammo and Tyrell. Can Sammo, Tyrell and Grace find Temple, uncover who took him and why and manage to do it all before the news of his escape gets out and ruins Amy's chance ...
A visit to the bank reveals that $6 million dollars has been deposited in Sammo's account. He is still wondering what is going on as he leaves the bank and is immediately approached and kidnapped by some men. They want to know how he knows Alison and where she is? When he manages to escape he is determined to track down this girl before his captors do and find out exactly what is going on.
Sammo and Tyrell accidentally mess up an Interpol undercover operation when they arrest some arms dealers. Charlton McCallister, the Interpol agent, knows that the female arms dealer he was pretending to work for has a very big deal coming up. Amy volunteers to go undercover, even though she has no experience of that kind of work. At her first meeting McCallister gets shot and injured and she has to carry on without him. Sammo takes on the part of her butler/bodyguard so that they can try and find out exactly what is being sold and who is out to buy it.
Grace and Tyrell take a flight escorting some of the worst criminals known to a maximum-security prison. One of the guards pulls a gun on the pilot and forces him to fly below radar level and then releases the convicts. The leader is a man Grace helped put away for murder and he wants to get revenge on her almost as much as he wants to complete his plan for a major crime. The MCU start to discover what he is up to and find that his plan is more audacious then they could have imagined.
A mild mannered man, with no criminal record, walks into an office and kills the man inside. When Sammo catches up with him he nearly kills him as well, with martial arts skills. According to his wife he didn't even know any martial arts skills. Tyrell's ex turns up with stories about her becoming a werewolf on full moons and going out and stalking someone. Are there any connections between these two occurrences? The MCU soon begins to think there is and start investigating.
A biological virus is unleashed in a police precinct and the whole station is quarantined. Sammo and Tyrell investigate a student who stole the virus from his university by injecting it into himself. While they try to find out where the virus and vaccine is, and who is behind the outbreak, Amy and Grace find themselves quarantined in the MCU precinct when it to is attacked.