龍 (玉木宏) は、かつてのライバル･虎二郎 (滝藤賢一) と再会。虎二郎は“剛拳の虎”と呼ばれ、龍と双璧をなす伝説の極道だったが、今は刑務所から出所してクレープを売っていた。龍と虎二郎はにらみ合い、火花を散らす。そんな中、龍は、火竜町婦人会の会長･田中の誘いでフィットネスクラブに体験入会する。そこで龍は田中に、隣町の水竜町婦人会の会長･山本を紹介される。火竜町と水竜町は、近々開催される食イベントに出店することになっていたが、このイベントをめぐり、火竜町婦人会と水竜町婦人会の間にトラブルが発生。龍も、この婦人会同士の争いに巻き込まれ…。
龍遇上了以前打架時的對手虎，但對方也已經金盆洗手，更轉行賣可麗餅，而龍被指最近胖了，去健身時認識了一班主婦朋友，更舉行了打架祭，以家務一決勝負！
Tatsu (Hiroshi Tamaki) reunites with his former rival Torajiro (Kenichi Takito). Torajiro, known as the "Gouken Tiger," was a legendary gangster who doubled as a dragon, but now he is released from prison and sells crepes. The dragon and Torajiro glared at each other and scattered sparks.
Meanwhile, Tatsu joins the fitness club at the invitation of Tanaka, the chairman of the Fire Dragon Town Women's Association. There, Tatsu is introduced to Tanaka by Yamamoto, the chairman of the Mizuryu Town Women's Association in the neighboring town. Hiryucho and Suiryucho were supposed to open a store at an upcoming festival, but a trouble occurred between the Hiryucho Women's Association and the Suiryucho Women's Association over this event.
The Immortal Dragon is also involved in the conflict between the women's associations.
某天，阿龍(玉木宏飾)遇見了黑道時期的對手「剛拳之虎」虎二郎(瀧藤賢一飾)，出獄後獨自經營可麗餅店的虎二郎，在聽聞阿龍變成家庭主夫後，忍不住發起挑釁，兩人之間一觸即發…！另一方面，阿龍居住的火龍町和隔壁的水龍町，雙方的婦人會為了各自在美食活動上的展店位置發生衝突，而跟鎮上的婦人會會長．田中(MEGUMI飾)頗有交情的阿龍，也跟著被捲入鬥爭…
