Still trapped aboard the SERVEYOUinc research satellite, Alice and the Doctor must unravel the mystery of the creature codenamed 'ARC' while staying one step ahead of its whisper-quiet rampage through the station! But there's something essential the Doctor's missing, something he's overlooked. Can Alice help him see it, in time to save her life - or is the story of the Doctor's favorite sarcastic library assistant doomed to end in the icy depths of space?