Jessie and Ki track the bloody trail of a band of greedy gold thieves! Out tracking down a cougar who has been making meals out of Jessie's herds, the Lone Star duo picks up the scent of some gunslinging profiteers out to rape the holy Chuacas Canyon of its buried Aztec gold.

Jessie must rescue Ki from a death-row frame-up! Jessie and Ki head for the rough and tumble town of Haley to exact revenge for the murder of Jessie's father, but when Ki is thrown into jail for murder, Jessie must take on the entire town in order to prevent the death of her partner.

Jessie and Ki deliver country-style justice to a snake pit of city slickers! Hired to find the person responsible for the death of one of Chicago's Civic Reform Council members, Jessie and Ki discover that a group of big-city backstabbers could be involved.

A mysterious gold coin sets Jessie and Ki on the trail of a greedy killer! A coin slipped into Ki's pocket by a stranger leads Jessie and Ki into an ambush, and the Lone Star duo must tangle with a greedy baron and his henchmen who plan on blowing up the railroad.

Jessie and Ki face a band of seafaring marauders as mysterious and deadly as the ocean depths! When the Star Sarah, the proudest frigate in Jessica Starbuck's Texas Star Line, is abandoned and torched, the Lone Star duo are determined to find out what happened.

Jessie and Ki blaze a deadly path to corner a pack of purebred killers! The blackhearted boss of a ruthless stickup gang makes life difficult for Jessie and Ki when he guns down a friend of Jessie's father.

Jessie and Ki fight in a double threat—rustlers working on land and sea! Their prize herd stolen by a group of buccaneers, Jessie and Ki spring into action, riding south of the border with Brownsville's worst cutthroats for a deadly encounter with the rustlers.