Documentary series following the investigations of unique specialist units within UK police forces created to crack tough cases ranging from cyber heists, romance fraud and people trafficking to drug rings and murder. The night before Valentine?s Day, 2022, Thames Valley Police receive a 999 call reporting that someone has been attacked close to Banbury town centre - officers are dispatched and find that the victim is 40-year-old Keith Green, who is pronounced dead at the scene and an armed arrest unit conducts an immediate raid on two potentially dangerous suspects. With a possible murder on their doorstep, Thames Valley Major Crime Unit launch Operation Inuit and begin an intense investigation that unravels a love triangle and a killing motivated by twisted passion and male pride.