Mobile Suit Gundam Side Story Missing Link is a side story tied to the first Gundam TV anime. During the One Year War, a penal military unit was formed by the Earth Federation, called the Slave Wraiths to pilot advanced mobile suits and conduct suicide attack against their enemy. On the other side, the Marchosias, Zeon elite pilot battle unit was formed as well. The plot moves around a mobile suit development project named “ Pale Rider Project” led by Grave. Both sides are forced to fight together to stop a conspiracy hidden in this project.