[Book One] Hart is supposed to be alone. His dark world has no room for another. Especially not his new victim, Riley. But this time it's different, and there's no going back once this twisted romance unveils.

[Book Two] After surviving and ending the torment Riley faced for a year, he goes back to his regular life. As much as he tries to forget Hart, the memory still follows him, this time in the form of Hart's sister, Seraphina. Her unexpected appearance brings the undeniable news that Hart is still alive and more than ever trying to bring his mother back, despite his failure. When Riley searches for Hart, he finds the one thing he has wanted for so long - the truth.

[Book Three] Hart enters hell to search for Riley, instead finds that 30 years have passed when only three months have gone by on Earth. Not only does he find Riley, but he also finds the true purpose of his existence and it doesn't give him a pleasant vision of the future.