Action-packed police procedural drama focused on the partnership between detective Charlie Hudson and his partner Rex, an extraordinary former K9 dog. When a puzzling crime emerges, the dynamic duo are on the case - with Charlie\'s deft detective work and Rex\'s keen canine senses, this crime-fighting pair is unstoppable. Detective Charlie Hudson can count on his team, for the St. John’s major crimes unit has all it takes! Always by his side: former K-9 German Shepherd Rex, who has saved Charlie in more than one way. Dr. Sarah Truong, the attractive Head of Forensics might become more than just a colleague to Charlie. Headed by hard-boiled Superintendent Joe Donovan and completed by genius tech analyst Jesse, it is Rex, who keeps the team’s spirits high in face of St. John’s seedy elements they have to hunt down. Charlie’s dedication and Rex’s keen, super-human senses and stealth make this unit special. From kidnapping, homicide and hostage situations, to fraud and corruption, Charlie, Rex and their team are a force to be reckoned with!