My Friend, My Hero

When Riley discovers his grandmother's enchanted necklace, he finds himself transported back in time to her college days. Riley knows that her true love dies an unfortunate death after which she marries the man whom Riley nauseatingly remembers as his abusive grandfather. As he tries to manipulate and change history, it still manages to unfold as it was fated to. Will Riley be able to influence history and prevent the untimely death of his grandmother's true love or is their fate already sealed? And when the necklace that is his passkey is lost, how will Riley return to his own time?