Wedding photographer Mackensie "Mac" Elliot falls into the arms of safe, stable English teacher Carter Maguire as relief from the onslaught of bridezillas, but soon begins to wonder if what began as a casual fling could blossom into her own happy ending.

"A series of shootings exposes San Francisco to a methodical yet unpredictable killer, and a reluctant woman decides to put her trust in Sergeant Lindsay Boxer. The confidential informant's tip leads Lindsay to disturbing conclusions, including that something has gone horribly wrong inside the police department itself. The hunt for the killer lures Lindsay out of her jurisdiction, and gets inside Lindsay in dangerous ways. She suffers unsettling medical...