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.

随着Dog River镇破产，该镇的居民必须收拾行装并搬出。 但是，我们最喜欢的公民为挽救Dog River做出了最后的努力。

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.

The pious John List regularly goes to church and is respected by his neighbours. But one day the police finds his wife Helen and their three children slayed in their house - obviously by John, who left two letters for the police and his priest and disappeared. Chief Richland is disgusted by the murder and starts an intensive investigation. In flashbacks we learn about the history of the disaster.

A bass player is found dead before a planned tour with a big country singer.