Kaitlyn Bishop has barely started her job as OR Supervisor at St. Cecilia's Hospital when strange and frightening things begin to happen, and quickly escalate. First, she discovers a frozen body in an old chest freezer in an abandoned annex of the hospital; next her home is searched, but nothing is taken; then she is hit by a speeding car, and escapes with only a broken arm. But when she wakes up from surgery to set her arm, she finds that an additional operation had been performed on her. Katy suspects the events are connected to the new surgical procedure and missing narcotics at the hospital. As she and Dr. Nick Raines try to solve the mystery, she finds herself running for her life . . .