Mercy Mercy

Between Dr. House's sarcasm, McDreamy's charm and Addison's inter-hospital love life, viewers love them some doctors. But with the end of ER, NBC hopes to fill its medical void with a team of no-nonsense nurses in Mercy.

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"It's the part that you usually don't see on television," executive producer and creator Liz Heldens (Friday Night Lights) says. "It's the nurses [who] are the ones who pick up the pieces after a diagnosis is made."

Taylor Schilling plays Veronica Callahan, a nurse who has returned to Mercy Hospital after a tour in Iraq. "She's tough, but she's also trying to get by," says Schilling. "I think she carries with her a truth or a point of view that the other nurses do not share."

Veronica's marriage is in shambles after affairs by both her and her husband. But things get even more complicated when the doctor she cheated with in Iraq returns to the hospital in the premiere.

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"I know that Veronica's committed to her husband and is really trying to make that work, but there's the distraction of this other man at work on a daily basis," says Schilling. "Both men are really important to her, and in a way, almost serve different needs. So it's a really interesting dilemma."

According to Schilling, Mercy will likely be more relatable than other medical dramas.

"[It's about] real people trying to get through their lives, outside of work and inside of work," said Schilling. "The hospital is important [in that it's] where their lives are taking place, but it's more about the characters navigating their lives."

Mercy premieres Wednesday at 8/7c on NBC.