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.

Robyn McCall, an enigmatic former CIA operative with a mysterious background, uses her extensive skills to help those with nowhere else to turn.