Sisters Lightening and Vanilla have no memory of their mother what so ever, they have memories where a person is not but should be. They both want to find her, find out why she has vanished completly from their minds and the world. They have found as they get older that they can bend time, and have been using it to their advantage in order to try and replay their memories. Some though, envolve digging. But one day, their digging takes them to far. A powerful man that weilds uninmaginable powers has taken Vanilla away. Lightening finds that the longer her sister is away from her the more and more she starts to dissapear from her memory and the memory of those that had known her. Now Lightening must do what her mother had done in order to save the most importent person to her.