Cas Lowood is no ordinary ghost hunter - he's in love with a dead girl.
Her name is Anna Korlov. Anna Dressed in Blood. The girl who sacrificed herself to save his life. Racked with guilt, Cas sets out to do what he does best - hunt a ghost. But this time his aim is not to kill. He must rescue Anna from the depths of Hell.
But Hell is also home to a creature Cas has battled before ...