Does the devil deserve a happy ending? For two thousand years, Belial searched for his beloved, and finally he managed to find the soul of Cassia. But while the devil worries about the girl's return, a new threat looms. In the battle against the witch queen, hundreds of souls escaped from the Still Pool - the prison of the Primus, among whom was Janus, who once stole Cassia's soul. Now the mortal must face not only the modern world, which she does not know, but also the demons laying claim to her soul and heart.