Follow the lives of four men on the outside of the law in 1860's outback Australia, as they come up against authority, the rich and greedy, and the weaknesses of their own hearts.
Jack awakes after being shot, only to discover that a family member has been murdered. Cared for by Mary, he's almost caught when Fuller raids her pub. Fuller suspects Jack of killing the Ryan's.
Mary's bar is burnt down and Jack decides to rob The Hopetoun Bank to help her out. After they've taken hostages, things go from bad to worse when they discover the bank's vault is empty.
Jack is determined to win the Hopetoun Cup, but with Frank Butler in town to look for his brother's killer, and Fuller determined to fill his jail, the boys are in the midst of a deadly enterprise.
The Wild Boys are being threatened by a new bush ranger in town called Captain Moonlite. Emilia's new suitor , chosen by her father, turns out to be more charming than Emilia imagined.
Dan, Jack and Conrad take a young Chinese girl to Muggiburra, and come across a cannibal along the way. An old friend of Dan and Mick's comes back to haunt them.
In the midst of a rum shortage as a result of a spate of hold-ups, which are wrongly blamed on Jack, Fuller convinces Emilia to set the boys up to save Conrad.
The Wild Boys are relinquishing their plans to target Hopetoun's Assayer when they run into Jessie, a disarming female bush ranger with a taste for risk taking.
Mary's thrilled to have her younger brother Ben come to town. He's fun, charming and a great uncle to Tommy. But Ben has other reasons for coming to Hopetoun and it doesn't involve family.
When the Butler's target farmer George, he seeks the Wild Boys' help. While fighting off the Butler's assault, Jack realises that Frank Butler was also part of the original murder of the Ryans.
When Conrad comes into possession of a map, the race is on for gold. Breaking away with Mad Dog Morgan, one of the baddest bush rangers in roaming, Conrad is pursued by the rest of the Wild Boys.
Facing the rope, the Wild Boys are offered a reprieve by Fife, rescue Emilia from the Butler's and he'll pardon them. Conrad is held back however, to ensure they don't just run for the border.
