Episode 6

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.

A young boy known as the Avatar must master the four elemental powers to save a world at war — and fight a ruthless enemy bent on stopping him.

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.

Anne Rice's Mayfair Witches centers on an intuitive young neurosurgeon who discovers that she is the unlikely heir to a family of witches. As she grapples with her newfound powers, she must contend with a sinister presence that has haunted her family for generations.

Helen Webb, politician's wife, doting mother, and professional spy, has been passing on her husband's secrets to the Black Doves, the shadowy organization for whom she works. But when her lover Jason is assassinated, Helen's life is turned upside down, and only her old friend Sam Young can keep her safe. But Sam, a suave, champagne-drinking assassin, also has problems of his own. Out of the game, since his last job went wrong, he soon realizes his past is coming back to haunt him. Together, they set off on a mission that will lead them to uncover a vast, interconnected conspiracy. One that links the murky underworld of London to a looming geopolitical crisis — and leads them to question the cost of the moral choices they've made.