When a beautiful and mysterious woman bursts into the office of Leo Falloon, desperate to find her missing brother, it's just another day in the life of a hard-boiled detective. The problem is, Leo's not a detective. He sells novelty advertising across the hall from the detective, but how hard can it be?

It's been a few years, and there's still not a lot going on in Dog River, 40 kilometres from nowhere. But that's all about to change.

It’s been a few years, and there’s still not a lot going on 40 kilometers from nowhere. But that’s all about to change as the fine folks of Dog River, Saskatchewan face their biggest crisis ever. Brent and the gang discover that the town’s been badly mismanaged, leaving residents with little choice but to pack up and leave. As residents make one last rally to save Dog River as they know it, they discover a devious plan by a corporate chain that would change life for Dog Riverites forever.

Following the adventures of a bunch of nobodies who get up to a whole lot of nothing in the fictional prairie town of Dog River, Saskatchewan, Corner Gas focuses on the life (or lack thereof) of Brent LeRoy, proprietor of a gas station that is the only stop for miles around and a hub of action on the Prairies.

Royal Canadian Mountie Dudley Do-right is busy keeping the peace in his small mountain town when his old rival, Snidely Whiplash, comes up with a plot to buy all the property in town, then start a phony gold rush by seeding the river with gold nuggets.