DVD release from theatrical feature "Gintama Shinyaku Benizakura Hen." In the late Edo period, a spacecraft descends on the city of Edo. Edo shogunate does not have a clue what to do about this sudden invasion. Meanwhile, there are gallant samurais who devote to fight until the invaders leave, but after a long fight, they lose their friends, mentors and even the country. Gintoki, Katsura and Takasugi survives in the severest situation. Gintoki runs a general shop, Katsura hides himself and works behind the scene, and Takasugi attempts to topple new government. One day, a mysterious accident comes up. . .