when he was still human, Demetre "Demon" Nikolaou (Dunk Natachai) suffered from mental and emotional breakdown. Wickedness gave him no choice to sell out his soul to satan. he felt pleasure in doing things that harm other people. The goodness in his heart once succumbed to the darkness that infects him. like a disorder that hugged over every inch of his being. he felt abandoned by the world. Angelo "Jello" Oikonomou (Joong Archen) is an orphan guy who used to raised by a nun in the monastery. A jack of all trades, who has many skills; he will do as many different jobs to save the monastery from suspension. what happened when Demon meets Angel? would Jello stop and listen to Demon? because he's the DEVIL that once cries out for help. He seductively crawls out of HELL