In this pilot episode Detective Allison McLean puts her law-breaking brother Tim behind bars, and quickly decides to move his two resentful teenaged kids in with her own two children and devoted husband. Meanwhile, Allison and her partner race the clock to find a wounded pregnant girl and her boyfriend who have committed a robbery.
Allison and Devin are called in to investigate the mysterious murder of the owner of a restaurant that hires ex-cons, one of whom Allison has helped in the past. Meanwhile, Mariah and Cameron try to find ways to fit in at their new school with some unwanted help from Jeff and Rachel.
The complicated relationship between two brothers clouds an investigation for Allison and Devin. When Matt takes Allison on a romantic date, Cameron and Mariah break house rules challenging Rachel and Jeff.
Allison and Devin uncover the shocking truth at the heart of a turf war in Crestview. Later, Allison and Matt take the entire family to visit Tim in prison and Jackie, feeling jealous of the way Cameron looks up to Allison, makes a tragic choice.