A pregnant woman is attacked in a knockout game and she loses her baby. Later her husband kills her attacker and Danny must choose whether to pursue it. In the end, Danny arrests him but the grand jury chooses not to indict.
Frank refuses to promote the son of a close friend of Henry's because he feels it's special treatment. Garrett makes him see that the candidate deserves the promotion no matter who he knows and he shouldn't be held back. Frank agrees.
Erin and Jack have been having a secret fling. When he wants to make it public, she accuses him of only wanting the fun of dating and not a responsible relationship and she dumps him.