The Dangerous Kiss

Makunouchi Ippo is the new Featherweight champion of Japan and is now ready for his first title defense. His opponent, the former Jr. Featherweight champion and a medical student, Sanada Kazuki. In addition to this feud, Sanada is being coached by Kamogawa's former rival, Hama Dankichi. What makes things worse is that Sanada works at the same hospital where Kumi is a nurse at and everybody at the hospital wants Sanada to win. Not only does Ippo have to defend his title, he has to reclaim his love.

A female boxing trainer discovers that her champion cage-fighter boyfriend has been cheating on her with her sister and decides to seek revenge by training up his arch-rival to challenge him.

Kimura finally has his championship match. It takes place at the annual champion carnival. But now he must face the intense champion, Mashiba for the Junior Lightweight championship.

Gabriel Caine has just been released from prison when he sets up a bet with a business man who owns most of Diggstown, a boxing-mad town. The bet is that Gabe can find a boxer that will knock out 10 Diggstown men, in a boxing ring, within 24 hours. Roy 'Honey' Palmer is that man that, at 48, many say he is too old.

Walking along with his bulldog, Charlie finds a "good luck" horseshoe just as he passes a training camp advertising for a boxing partner "who can take a beating." After watching others lose, Charlie puts the horseshoe in his glove and wins. The trainer prepares Charlie to fight the world champion. A gambler wants Charlie to throw the fight. He and the trainer's daughter fall in love.

A retired boxer intends to return to the ring for one last shot at the title, but first he must make the weight. Holed up in a room in Las Vegas with an unscrupulous trainer, he embarks on an intensive and illegal weight-cutting program.