Nobita and Doraemon use time tree Mochi and catch a big bird, which has been extinct for 500 years ago. To protect the animal, Nobita and Doraemon go to Beremon Island, overseen by a golden beetle named Herakles.
Panty and Stocking are nasty angels who were banished from the pearly gates for being foul-mouthed bad girls! Now they spend their days hunting ghosts in the lecherous abyss between Heaven and Earth. Panty likes sex, Stocking likes sweets, and their afro-sporting main man Garterbelt has a fetish we can't mention.
While Doraemon is asleep, a famous thief comes and steals his cat-bell. Without his cat-bell, Doraemon starts to act more and more like a normal cat. In order to stop this, Nobita, Shizuka, Suneo, and Gian have to go and search for his bell, so they go to a factory where all of Doraemon's gadgets are made.
