Career Opportunities in Murder & Mayhem

What is Career Opportunities in Murder & Mayhem about (plot, summary)
Career Opportunities in Murder and Mayhem centers on Rufus Cotesworth— a man who has been dubbed ‘The World's Once Greatest Detective.'
While sailing across the Mediterranean aboard an ocean liner, Cotesworth suddenly finds himself tasked with solving a murder mystery. The liner might be packed with passengers both powerful and wealthy, but it soon becomes clear that everyone's a suspect, and everyone's got something to hide.