In the Season 1 finale, Harry seeks revenge for the wrongs done to Marou, and on his arrival in the Straits finds his two other sons are also in the middle of crises. Back in Cairns, Sissi readies to flee the family with Thomson.
While running from both the police and the biker gang, Noel makes a stop to see his estranged wife who, to his surprise, agrees to join him on the lam in South America. Meanwhile, Kitty and Bridget head to a remote island to dig up a drug stash, but have their boat and the contraband stolen, leaving them stranded.
Kitty arrives on Zey Island and finds Gary involved with a local, who he claims is a source of information vital to their overthrow of a competing drug cartel. Back in Cairns, Harry's attempt to win back Kitty spells trouble for Noel, while Lola discovers that Harry's memory has returned and she seeks his forgiveness for her transgressions.
Upon his release from the hospital, Harry sets out to reassert his authority and formulates a plan to spring Noel from prison, while Marou and Gary try to impress their father by hijacking a shipment of drugs from a boat.
With Marou's life on the line, the family discover that it will take a big sacrifice by Noel to save him; and Sissi has a surprise encounter with Paddy's nephew, who has come to visit his uncle. Meanwhile, dutiful daughter-in-law Lola administers to an injured Harry.
Noel's siblings are angry when his revenge on the DC bikers attracts police attention, and against Harry's wishes, he decides to a bring in a crew of sex workers. Noel sends Gary to pick up the women, and he faces a moral dilemma when he sees that they are underage.
The Montebello brothers set out to exact revenge on the hit man who shot Harry, while Sissi uncovers a cache of cash at the late Paddy's house and figures this is just the bankroll she needs to get out of Cairns. Later, Noel retaliates against the biker gang when he discovers his father's shooter was affiliated with them.
A hired killer targets Harry, while Sissi wrestles with whether to tell her father about Paddy's embezzlements, and Gary, after being bitten by a snake and thinking he is dying, decides to confess to sleeping with his brother's wife.
Noel's meth lab explodes, killing a gangster, whose brother then sets out to seek revenge; Sissi begins work with the family's accountant, Paddy, and stumbles upon evidence that Paddy's books may be getting cooked. Meanwhile, Marou's wife believes that he should be leading the business, and takes steps to see that it comes to fruition.
The series premiere of the chronicle of an Australian crime family begins with the head of the clan announcing an unexpected plan of succession, while his eldest son expands the family's operations without consulting his father.