"Teppan!" is a manga series that centers around the competitive world of teppanyaki, a style of Japanese cuisine cooked on an iron griddle. The story revolves around Shota Saeki, a young and ambitious teppanyaki chef who aspires to master the art of cooking on the iron griddle. Shota's journey begins when he joins the prestigious restaurant "Gin no Tetsujin," known for its elite teppanyaki chefs and high-profile clientele. The restaurant is run by the stern and highly skilled chef, Tetsuya Kuroki, who becomes both a mentor and a rival to Shota.

The narrative explores Shota's growth as he faces various challenges, including intense kitchen rivalries, the pressure of high-stakes cooking competitions, and the need to innovate within the traditional framework of teppanyaki. Shota's passion for cooking is fueled by his desire to honor his late father, who was also a teppanyaki chef, and to create dishes that bring joy to people. Along the way, he encounters a diverse cast of characters, including fellow chefs with their own unique styles and motivations, as well as customers whose lives are touched by his culinary creations.

The series delves into the technical aspects of teppanyaki, showcasing the precision, skill, and creativity required to excel in this culinary art form. It also highlights the importance of teamwork, perseverance, and the pursuit of excellence. As Shota progresses, he not only hones his cooking skills but also learns valuable life lessons about dedication, humility, and the significance of connecting with others through food. The story is a blend of intense culinary battles, personal growth, and the exploration of the cultural and emotional significance of teppanyaki.