When a lone gunman goes on a shooting spree aboard a packed San Francisco ferry, Lieutenant Lindsay Boxer is called in. She finds the killer gone, three people dead and her best friend and fellow Women's Murder Club member, Claire Washington, fighting for her life. Lindsay promises Claire that she'll bring whoever did this to justice. But it's a promise she may not be able to keep...

A MISSING CHILD

As the investigation goes to court, news comes through that a child's been abducted. Lindsay's put on the case and discovers that more children have been taken. But with none of the families receiving ransom demands the abductions don't seem to make sense - unless the kidnappers aren't planning on returning their hostages...

A RACE AGAINST TIME

The clock is ticking as Lindsay tries to fit all the pieces together...and she knows that if she doesn't find the children quickly it will be too late...