Tang and Mitch enlist Alex to help them bring the old Zach back, but Madeline's not going down without a fight.

With Zach kidnapped, Tang and Mitch's only goal is to rescue their friend; but time is quickly running out.

Tang has her story, but their powerful enemy is doing all they can to stop her publishing it. Meanwhile, Mitch is worried about Zach's safety and looks to find him a safehouse.

Tang, Mitch and Zach realise their mystery caller may be the key to finding out what's going on in Mackaroy. But their hunt will lead them to discover so much more than they ever expected.

Mitch has the chance to win a scholarship with the tech giant JAFFLE. But while he and Zach attempt to complete a treasure hunt to secure the prize, Tang is determined to find out what Mr Pollock is up to.

Zach joins the team, and our trio works together to uncover who's behind the conspiracy in Mackaroy. But Tang and Mitch soon realise they still have to watch what they say in front of their new friend.

Tang and Mitch try to find out more about Zach, and whether he knows they've discovered his big secret. But Tang's impatience to get an answer ends up putting both hers and Mitch's lives in danger.

A simple investigation into Mackaroy's data dropouts soon leads best friends Tang and Mitch to discover a massive conspiracy that may affect their whole town.