The episode follows the as they hunt for a brutal killer known for a specific signature modus operandi . While the team manages the high-stakes criminal investigation, the central emotional conflict focuses on Officer Kim Burgess and Adam Ruzek as they fight to maintain custody of their daughter, Makayla . Key Narrative Threads
Parallel to the custody drama, the team investigates a series of murders. The case becomes personal and intense, demanding the full focus of the unit while Burgess is distracted by her private life. [S9E14] Blood Relation
"Blood Relation" is the of Chicago P.D. (the 178th episode overall). It originally aired on March 2, 2022. Episode Summary The episode follows the as they hunt for