A stolen Sinanju Stein, a mobile suit built by Anaheim Electronics and now in the hands of the Neo Zeon unit Sleeves, breaks through Earth's stratosphere. The Unicorn launches from the Nahel Argama to stop it and engages the intruder, while the Banshee Norn and Phenex head in to back it up. The short is a mecha action piece set in the Gundam UC continuity.