Working with her husband, a respected cardiac surgeon, at Boston Memorial is a dream come true for Dr. Cassandra Kingsley—until a series of mysterious deaths rocks the hospital and Cassandra's most frightening suspicions are realized.

Amidst a hospital power struggle that pits resident doctors against private practitioners, eighteen cardiac surgery patients mysteriously die.

Doctors Cassandra Kingsley and Robert Seibert investigate the deaths, making disturbing discoveries, such as a drug-taking, knife-happy surgeon and lethal IVs.

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