When Barney sends Dietrich to try and stop the hitman, Harris strikes out in wooing the precinct's crime scene photographer. Barney then sets out to reverse the speciality squad order when he learns that it results in the death of an old friend.

When Detective Sgt. Eric Dorsey gets assigned to the twelfth precinct, he is less than thrilled about it because he's convinced his colleagues are corrupt. As a result, Barney has his work cut out to prove his new detective wrong. Harris and Dietrich bring in a suspect for disorderly conduct at a stop smoking clinic.