The Unit use phone taps to help track a large sum of money in the hope that it will lead them to the 'Mr Big'. But they also lead the team to a family that Ash is determined to protect - despite their illegal activities.

The unit discovers a link between the gang they have under surveillance and a batch of toxic pills. Phone taps lead Tommy to Paulo, a pizza delivery man being used to courier the dodgy pills for dealer, Scooter.