Operative A Shaw teams up with British vigilante Regina Campion to track down Evan Waller, who is plotting to sell nuclear weapons to Islamic fundamentalists, and as they try to stop Waller, Shaw and Regina find themselves falling for one another, which only makes their mission more dangerous as Waller makes Regina his next target.

As the holidays approach, Detective Lindsay Boxer and her friends in the Women's Murder Club have much to celebrate. Crime is down. The medical examiner's office is quiet. Even the courts are showing some Christmas spirit. And the news cycle is so slow that journalist Cindy Thomas is on assignment to tell a story about the true meaning of the season for San Francisco. Then a fearsome criminal known only as "Loman" seizes control of the headlines....