Detective Charlie Hudson teams up with what he calls his "highly trained law enforcement animal" German Shepherd dog named Rex who he prefers to team up with because he doesn't talk his ear off.

Charlie and Rex reveal a conspiracy within the parkour community, after a thrill-seeker falls to his death.

When a controversial university professor is found dead in his classroom, Charlie and Rex investigate leads while Jesse goes undercover and soon finds himself in danger.

When the pharmacist at Charlie's aunt's retirement home is found dead, she alerts him to a mysterious string of recent fatalities among the home's residents.

Charlie and Rex discover a wanted criminal has been living in St. John's under a false identity for twenty years and end up in the crosshairs when the man's past catches up with him.

The clock is ticking as Charlie and Rex attempt to find a murderer before their victim can succumb to the poison slowly killing them.

Charlie and Rex head underground into a supposedly haunted mine after a crew member turns up dead during a horror film shoot.

Charlie and Rex find themselves at the mercy of a dangerous crime kingpin from their past when they enlist his help on a case.