Dr. Teresa McCall is devastated when she learns that her husband has been unfaithful. The crippling blow is the beginning of a downward spiral that threatens not only her marriage, but also the career she has worked so hard for. Donavan tries everything to save their marriage, but Teri just can't get past the betrayal. Driven by emotion, she soon finds herself entangled in an explosive affair with fellow doctor Sean Morris, torn between her husband and her lover - until a stray bullet takes away her ability to choose.