"Alex is a bruja and the most powerful witch in her family. But she's hated magic ever since it made her father disappear into thin air. When a curse she performs to rid herself of magic backfires and her family vanishes, she must travel to Los Lagos, a land in-between as dark as Limbo and as strange as Wonderland, to get her family back"--

When an urban legend rumored to trap people inside subway tunnels seems to be behind mysterious disappearances in the Bronx, sixteen-year-old Raquel and her friends team up to save their city--and confront a dark episode in its history in the process.

Still feeling broken after her family's battle in Los Lagos, Lula invokes a dark spell to bring her boyfriend and others back after a fatal bus crash, but unwittingly raises an army of hungry, half-dead casimuertos instead.