Folge 840

District 21 of the Chicago Police Department is made up of two distinctly different groups. There are the uniformed cops who patrol the beat and go head to head with the city's street crimes. And there's the Intelligence Unit, the team that combats the city's major offenses - organized crime, drug trafficking, high profile murders and beyond. These are their stories.

No job is more stressful, dangerous or exhilarating than those of the Firefighters, Rescue Squad and Paramedics of Chicago Firehouse 51. These are the courageous men and women who forge headfirst into danger when everyone else is running the other way and whose actions make the difference between life and death. These are their stories.

Lifelong friends Maddie, Helen and Dana Sue lift each other up as they juggle relationships, family and careers in the small Southern town of Serenity.

Melinda Monroe answers an ad to work as a nurse practitioner in the remote California town of Virgin River thinking it will be the perfect place to start fresh and leave her painful memories behind. But she soon discovers that small-town living isn't quite as simple as she expected and that she must learn to heal herself before she can truly make Virgin River her home.

Silo depicts a ruined and toxic future, when thousands of people live in a giant silo deep underground. After its sheriff breaks a cardinal rule and residents die mysteriously, engineer Juliette starts to uncover shocking secrets and the truth about the silo.