Lucy has left Lockwood & Co. A freelance operative, she is hiring herself out to other agencies agencies that might value her ever-improving skills.But now Lockwood needs her help.Penelope Fittes, leader of the well-renowned Fittes Agency wants Lockwood & Co. and only them to locate and remove the Source for the legendary Brixton Cannibal.It s a tough assignment. Made worse by the tensions between Lucy and the other agents even the skull is treating her like a jilted lover!What will it take to reunite the team? Black marketeers, an informant ghost, a Spirit Cape that transports the wearer, and mysteries involving their closest rivals may just do the trick.But not all is at it seems. And it s not long before a shocking revelation rocks Lockwood & Co. to its very core . . . 'Stroud is a genius' - Rick Riordan, author of the Percy Jackson series.