Mercy

The hunt for a killer leads to a battle between justice and desire... For U.S. marshal Rourke Kincaid, there's the law...and then there's his law. When the two don't agree, he always trusts his instincts. A killing spree has gripped the Northwest, showing a strange connection that only he sees, and now the old rules of justice no longer apply. Forced to turn rogue, he goes deep undercover to track his mysterious female suspect to a quiet, unassuming café in the wild, isolated mountains...
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The hunt for a killer leads to a battle between justice and desire... For U.S. marshal Rourke Kincaid, there's the law...and then there's his law. When the two don't agree, he always trusts his instincts. A killing spree has gripped the Northwest, showing a strange connection that only he sees, and now the old rules of justice no longer apply. Forced to turn rogue, he goes deep undercover to track his mysterious female suspect to a quiet, unassuming café in the wild, isolated mountains of Beartooth, Montana. But encountering Callie Westfield complicates his mission in ways he never expected. As suspicious as she seems, her fragile beauty and sexy charm get to Rourke. Then the gory crimes begin anew. With his heart suddenly at war with his instincts, he has only two options. Either turn Callie over to the law, or put everything--including his badge and his life--on the line to protect her.