Kennedy Blaine, a Californian girl, inherits a ranch in the small town of Valentine in Nebraska. Before she sells the property, she decides to spend the summer in her house and learn more about her family.

An action-packed adventure series following a fun-loving, hard living trio of interplanetary bounty hunters (a.k.a. Killjoys) sworn to remain impartial as they chase deadly warrants around the Quad, a system of planets on the brink of revolution.