You'd think that Harry Simmons - now the proud father of twins - would be ready to give up dangerous assignments and settle down to just being an insurance investigator. But no: first he barely escapes being killed in an explosion on a mysterious floating bordello in Seattle's harbor - where he's found the very dead body of the mayor's wife; next, he's knocked unconscious by a flying piece of Chihuly artwork; then he's shot at by an unknown assailant...