Did Lindsay manage to find out the truth about whether her mother was responsible for the murder of her boyfriend?
That was a key question on Chicago PD Season 4 Episode 23 when Bunny called Lindsay in the dead of night to let her know something was going on.
The case went into overdrive when it became apparent there was someone providing high school kids with lethal drugs.
Finally, Lindsay went before the review board to back up her actions.
Use the video above to watch Chicago PD online to get up to speed with how Season 4 came to a close.
Paul Dailly is a staff writer for TV Fanatic. Follow him on Twitter.