The professional and personal ups and downs of three nurses at a hospital in gritty Jersey City, N.J., are charted in this medical drama. First up: An adept nurse lands work at Mercy Hospital after a tour of duty in Iraq, but her love life grows complicated because of her splintering marriage and the arrival of a handsome new doctor. Meanwhile, a naive rookie tries to learn the nursing ropes.

A frantic crisis unfolds at the hospital in the wake of a devastating fire at a nightclub. Veronica tends to the sole survivor, who struggles with the guilt of having outlived the others. Elsewhere, naive Chloe tries to gain the respect of her peers and attract her crush by adopting a tougher attitude. Sonia locks horns with a dynamic new female doctor; and Dr. Harris woos an enigmatic beauty.