Ever since Elle came to the Underworld, her only goal was to become a Dreamwalker but her career went all the way down the drain when she failed every training sessions at Esteria. Though disheartened by a ton of F's on her Skills Progress Evaluation, she never lost hope to find that adventure she was meant to have. One day, the best agent of the Dreamwalkers went missing after doing a top-secret mission and every night the best Agents of Death were pinned down the chart. The Underworld Death Notice System was in chaos. The Death Committee searched for a way to uncover the mysteries of the disappearances and Elle was chosen to spearhead the mission. Elle must embark on a journey to unravel the mysteries revolving around the disappearances, uncover the secrets about her origin and restore the balance in the world. With a perilous adventure waiting for her beyond the Hell Gates, she met Kai and teamed up with a couple of Death Agents to face a quest to seek the truth. With dozens of Soul Scavengers, Hell Hounds, Nightshadows, Flare Devils and three Death Seekers chasing after them, will they be able to shed light in the darkness?