Time travel was outlawed thousands of years ago on the planet Itara. But one man refuses to obey the law. 

Droghan is a Forbidden Son, one of the most feared of his race. Born with a curse that grants him incredible power, he has been locked away in a prison ship with others of his kind. Trapped in a small cell orbiting Itara's moon, Droghan has one goal...vengeance. To achieve his goal he'll have to escape from prison, murder the Queen of Itara, and take the throne. 

Celestina is a sacred Seer, and the only one who fears the monster the Itaran Queen locked away. When Droghan escapes, Celestina will do whatever it takes to stop him from dragging Itara into a bloody civil war, even follow him through a rift in space and time...

Ryu's Paradox is science fiction, action adventure short story of 11,000 words that takes place in the Timewalker universe. It can be read as a stand alone adventure.