John Nielsen

The team tracks an arsonist through a radical environmental group that uses fire to spread its message.

Tension mounts between Jane and Maura; Jane and Maura investigate the death of a college student; Angela is upset by Frankie Sr.'s news.

Melinda and Jim's camping trip is interrupted as Melinda helps the ghost of a woman who left her husband and daughter.

Vehicles in the precinct's parking lot are broken into, including Clark Jr's, and since he was just thrown out of his father's home, it contained all his possessions, including his detective shield.