Chicago PD 13x20 "The Lost Years" Season 13 Episode 20 Promo Trailer HD - Imani struggles to maintain her composure when a new lead reignites her investigation into her sister's disappearance. <br />#ChicagoPD #OneChicago<br /><br />» Watch Chicago PD Wednesdays at 10:00pm/9c on NBC<br />» Starring: Jason Beghe, Jon Seda
