Dr. Antoinette Day-a young, successful pathologist known to her friends and colleagues as Toni-has no idea what awaits her when Dr. Sally Shore arrives at Perrine Memorial Hospital in Twin Falls, Idaho, to fill in for a colleague recovering from a heart attack. Toni's life is about to become a living hell.

Dr. Shore is supposed to see patients, perform surgeries, and take turns covering the emergency room until the regular surgeon recovers from his quadruple bypass. But unfortunately, she uses her temporary opportunity to discredit Toni and tarnish her reputation with her medical...