A compilation film recapping the second half of the anime series.<br> <br> The mystery surrounding her mother’s death deepens as Riko learns more about the truth of her origins. More determined than ever to travel to the bottom of the Abyss, Riko and Reg leave Ozen’s Seeker Camp and delve into the treacherous Third Layer — and beyond.<br> <br> (Source: Sentai Filmworks)