On Mars, a man with a bag is brutally killed by his pursuers. His brother, Caution Templer, a keeper, arrives to investigate the murder and soon finds himself being hunted by the killer's men. While searching for his brother's body at the morgue, Caution teams up with Buckskin Greenberg and together they try to uncover the truth. Meanwhile, Dr. Halliday examines the victim's body and memories, but Caution is unaware that the CEO of the mining company, Phillip Clement, is hiding a deadly secret and Ike Ringo is his ruthless right-hand man.
Mars
On a terraformed Mars, a skilled martial artist travels to uncover the truth behind his brother's disappearance, leading him to a powerful mining corporation with a shady reputation.
