Episode 4246

NOVA brings you stories from the frontlines of science and engineering, answering the big questions of today and tomorrow, from how our ancestors lived, to whether parallel universes exist, to how technology will transform our lives.

Elsbeth follows Elsbeth Tascioni, an astute but unconventional attorney who utilizes her singular point of view to make unique observations and corner brilliant criminals alongside the NYPD. After leaving her successful legal career in Chicago to tackle a new investigative role in New York City, Elsbeth finds herself jockeying with the toast of the NYPD, Captain C.W. Wagner, a charismatic and revered leader. Working alongside Elsbeth is Officer Kaya Blanke, a stoic and ethical officer who quickly develops an appreciation for Elsbeth's insightful and offbeat ways.

In Fire Country, seeking redemption and a shortened prison sentence, young convict Bode Donovan joins a firefighting program that returns him to his small Northern California hometown, where he and other inmates work alongside elite firefighters to extinguish massive blazes across the region.

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.

When the mysterious deep space research vessel USCSS Maginot crash-lands on Earth, Wendy and a ragtag group of tactical soldiers make a fateful discovery that puts them face-to-face with the planet's greatest threat.