How do you solve a murder in a post-fact world? Especially when sailing the Mediterranean on an ocean liner filled with the wealthy and powerful. Everyone on board is hiding something… but is one of them a killer? That’s what the world’s once greatest detective, Rufus Cotesworth, and his protégée, Imogene, aim to discover.

Dr. Dylan Reinhart, a gifted author, university professor and former CIA operative is lured back to his old life by tenacious top NYPD Detective Lizzie Needham. Though Dylan and Lizzie initially clash, when it comes to catching killers, they make an ideal team.