The staff of Pittsburgh's Trauma Medical Center work around the clock to save lives in an overcrowded and underfunded emergency department.

Merlin, the immortal son of the bard Taliesin and Atlantean Princess Charis, is followed through his tragic upbringing, descent into madness, and shocking disappearance, leading to the legend that surrounds him. Set before King Arthur's birth, Merlin, assumed dead or a myth, reemerges in sub-Roman Britain to unite the fractured kingdoms under threat from Saxon invaders.

Carmy, a young fine-dining chef, comes home to Chicago to run his family sandwich shop. As he fights to transform the shop and himself, he works alongside a rough-around-the-edges crew that ultimately reveal themselves as his chosen family.