Siobhan and Caleb were finally becoming an item. She had nursed him back from his injuries and they were living together. Her best friend invited her to the christening of her baby girl. She flew to San Francisco. A favor was asked, Siobhan accepted. Trouble began. Caleb flew to San Francisco to get to the bottom of what had all the makings of a tragedy. He made a new friend, an ex-marine who was ready for action. And they found it. Mexican Madness awaited them. Would they survive?