Trading the desert for the steamy tropics of Far North Queensland, Lucky and Meg hit the road – and the river – on a mission to find Meg's mum. Trouble is, Meg's mum has disappeared into the rainforest, Meg might be pregnant, Lucky is hiding something about his own sordid Queensland past, and Toby and Suzie are threatening to withdraw his right to contact Billie.

Meg continues the search for her mom in Cairns; Lucky tries to lay low to avoid his dubious past.