The CW's 'Supergirl' cast (Melissa Benoist, Mehcad Brooks, David Harewood, Jeremy Jordan, Odette Annable, Chris Wood, and Katie McGrath) talks to Josh Horowitz about the upcoming season.
When a mysterious and deadly epidemic breaks out in Atlanta, a vast urban quarantine is quickly enforced, forcing those stuck on the inside to fight for their lives while local and federal officials desperately search for a cure.