A western based on the story Gunsight Whitman by Silvia Richards. Vern Haskell, a nice rancher, seeks out to avenge his fiancé's death when she is killed during a robbery. His revenge leads him to Chuck-a-luck, Altar Keane's ranch set up to hide criminals, and he finds more than he bargains for.

第十三季共5集：　　1、Elephants Can Remember 旧罪的阴影（大象的证词）　　2、The Big Four 四大魔头（四巨头）　　3、Dead Man's Folly 古宅迷踪（死人的殿堂）　　4、The Labours of Hercules 赫尔克里的丰功伟绩　　5、Curtain 帷幕（幕后凶手）