Wal explains to Steve that he was threatened by Harry after he started asking questions about what he was hauling and had to disappear so the gang Harry was working with would know he hadn't gone to the police.
Helen is called to a council meeting to decide the fate of the centre. Miranda warns Carol that her mother is determined to see the centre closed even though she tried to stop her going to the council.
Steve finds out where to get aqua lungs filled up and enlists Vinnie, brains and Marty to help go round the dive shops looking for Spider's aqua lung, but they have no luck.
Steve suggests getting Vinnie to help with the stakeouts again, but Tam doesn't think they can rely on him anymore, Steve tells her they need Vinnie and not to get him off side.
Vinnie heads to Tam and Steve's to tell them Ellis is the boss and they all head to the youth centre, Vinnie shows them an old skylight and they get in through there, the bird smell is there but no birds.
Steve and Vinnie tell Tam about the mystery box and they head to the docks. Tam pretends she wants a job while Steve and Vinnie try and get a look inside the box.
Tam and Vinnie tells the others about the bird smuggling, they all agree to keep watching the yard, but Sally is upset that they don't seem to care about the birds being hurt.
Wal explains to Steve that he was threatened by Harry after he started asking questions about what he was hauling and had to disappear so the gang Harry was working with would know he hadn't gone to the police.
With Harry's business gone, Tam is at a loss for what to do next but Steve reminds her they still have the shipping list - they will find their father, no matter how long it takes.
The kids believe Harry is smuggling native birds but decide they need more evidence before they can go to the police. Sally is conflicted about keeping quiet and lets things slip to Javorsky.
After being questioned by Javorsky about the stolen brooch, Tam and Carol question Sally who adamantly denies taking it and runs off. Hiding out at the fort, Sally watches as a hooded figure arrives and hides the brooch.
Unable to contact Mike who is in India on a second honeymoon with Pat, Steve and Tam decide to try and cope on their own but quickly discover money is going to be tight - and the bills are already starting to come in.