The Tuckers are forced back together when Macaulay is taken into care. Michael Stubbs is struggling with life as an officer and when an exercise goes wrong and the investigation by SIB brings Garvey into contact with his past.

The Tuckers receive help from Nancy to find the truth about Macaulay. Jo Farrell seeks Marsha Stubbs help to woo Collette but it starts to backfire when their partners become suspicious.