Tumbleweed, a ghost learns that they are in Limbo and is on a search to find their sister's soulTumbleweed, a ghost learns that they are in Limbo and are on a search to find their sister's soul, so they can live happily in the afterlife. The only problem is that all souls look the same, and not all the souls will talk. He/She goes on a journey and meets several different souls, learns their stories, and continues his/her journey to find his sister.