Franky goes on a rampage against authority, with Shazza in hot pursuit, looking to become Australia's first thong terrorist. Shazza and Holden are sent to prison for making racial insults. Deadbeat dad Franky is revealed to be a Bitcoin millionaire.

After the Franky the Thong Warrior's continued reign of destruction, the Prime Minister introduces an anti-thong terrorism law. Shazza and Holden go downtown to get out of prison to pursue Franky and his Bitcoin millions. Kev breaks up with Vanessa.

Kev and Junior steal a van so they, Shazza and Holden can go after Franky and his Bitcoin fortune. Franky taken off into the Outback and sets up camp in an abandoned Mad Max movie set. The Premier calls for a national task force to deal with a rash of copycat thong men who are attacking government officials.

Shazza tells Holden about her father, Dazza. Franky goes on an out-of-this-world adventure after he invents a new cocktail by mixing aviation fuel and bourbon. Shazza and Holden get lost in the bush and have a close encounter of their own.

Shazza is called out online and blows up the bus. Franky has regrets about thonging his latest victim. Franky goes off on his criminal mother on Mother's Day. After a long walk, Shazza, Holden and Kev run into Franky at his Thong Warrior castle. Franky thongs an emu.

The Premier approves all unnecessary force to apprehend the Thong Man. Franky returns to Sunnyvale in disguise looking to recover his bitcoin laptop from Reg. Franky is chased by the cops and an angry mob of single mums looking for their child support. A stock market crash takes Franky's bitcoin down with it.