Rock sensation Barbie and her band The Rockers, beloved by everyone all around the world, decide to do something no band has ever done before - preform a charity rock concert in outer space.

Based on a stage play of the same name by Amy Nostbakken and Norah Sadava, the story follows Cassandra, who is portrayed by the two women, expressing the opposing voices that exist inside the modern woman's head, during a 48-hour period as she tries to organize the affairs for her mother's funeral.