Annabel Armour

Darden's widow publicly blames Severide for her husband's death and Casey makes a decision about his future with Hallie.

Voight calls the team to investigate a homicide involving the only witness in a rape and murder case against an extremely wealthy young man. Intelligence look into the suspect's family and finances as they try to determine if someone was paid to take out the victim. Antonio is offered a job with the state attorney.