Chicago P.D. (2014)

S13E19 Going Back

When Ruzek digs into a mysterious VHS tape he discovers among his father’s old belongings, the fallout is anything but predictable. The unexpected lead forces the entire Intelligence Unit to race against the clock, reopening a long-buried cold case that refuses to stay hidden. As secrets surface and tensions rise, the team must piece together the truth before the past destroys their present.