Victorian London. Joseph Winter is a master of the criminal underworld, known around the backstreets as Trace - because he never leaves one . . . or so he thought. After a tip-off about a fabled treasure map leading to the infamous Lost Loot turns sour, Joseph is forced to consider his options and, along with a group of interesting strangers, takes a leap into the unknown. Through storms, seas, hardships and riddles, they sail, hunting for missing clues whilst learning about each other's hidden secrets - secrets Joseph is keen to unravel if they are to reach the treasure alive.