Chicago P.D. (2014)

S2E12 Disco Bob

Bob Ruzek is the first on the scene of a double homicide. When Intelligence shows up to take charge of the investigation, Bob faces tension as he must transfer the case to his son and Voight. Meanwhile, Lindsay is busy organizing an undercover mission in Bolivia that could keep her away for an extended period. Burgess and Roman come to the realization that they must let go of their past if they want to move forward without it threatening their future together.