Robyn breaks out of juvenile detention to see her dying grandfather Ringer, only to discover that he wants her help to escape the hospital and return home to do one last thing.
With Gidge's help, Robyn uncovers the truth about her father and resolves to go to Coober Pedy to find him, but first she must find a way to get past the police.
With Robert and Maxine hot on their heels, Robyn discovers Gidge has stowed away in the taxi. But when she tries to abandon him in the desert, the taxi becomes bogged in the sand.
Robyn and Gidge arrive at Coober Pedy in search of Steve, bringing them face-to-face with Maxine and Robert, as well as two federal detectives determined to bring Robyn to justice.
Robyn and Gidge arrive in Port Augusta, her Dad's last known address, where a trip to the beach brings them closer together. Robert tries to escape from the detectives as they hunt for Robyn.
After making the trip to Adelaide, Robyn confronts her father Steve at his country estate. Meanwhile Gidge is reunited with Robert, who he believes is a murderer. And now he wants answers about where his mother is.
Tensions rise for Robyn on her father's farm and when the detectives finally catch up to her, she is forced into making a mad dash to reunite with Gidge.
