Arson investigator Samantha Orland calls upon the SpecialCrimes Unit for help with a case that gets escalated toattempted murder when a serial arsonist's most recent fireinvolves a family. Although all evidence points to a local fireartist, Backstrom is positive their arsonist is someone theyleast suspect. The investigation takes a turn when the teamdiscovers evidence missing from the crime scene and Backstromsuspects someone insides the investigation. Meanwhile,Backstrom gets tormented by childhood neighbors who stolesomething very special from him when he was younger andValentine helps Niedermayer recover stolen evidence.
