Follow heroic first responders, as well as their family saga of power and glamour, in one of America's most diverse and dynamic cities: Nashville, Tennessee.

Cordell Walker, a widower and father of two with his own moral code, returns home to Austin after being undercover for two years, only to discover there's harder work to be done at home.

When a young girl’s sketchbook falls into a strange pond, her drawings come to life—chaotic, real, and on the loose. As the town descends into chaos, her family must reunite and stop the monsters they never meant to unleash.