When a family is poisoned in their home, the team discovers a connection to the Becks; Ruzek goes undercover to work for their business, and as he gets closer to Samantha, chilling information about her father, Richard, comes to light.
Hailey: You know it's not your job to help him through that, right? Halstead: I know. Hailey: There's going to come a point when you can't manage him without changing. Halstead: I said I know.
Halstead: Voight? Trudy: I went to pick him up, he wasn't there. I thought he was with you guys. One guess as to where he is. This private patrol of his is getting out of hand.