Himari's out of the hospital again, and things are finally getting back to normal--except Kanba's been sneaking out at night to meet up with a mysterious person. When tension between the siblings erupts into an argument that drives Kanba away for good, it's up to Shoma to fix what has been broken. What is the Penguindrum, really? What does it mean to be family? The answers lie in Himari's past...