Isshiki Satoshi is the only second-year from the high school division in Polar Bear Dormitory. Full of ambition to join the Elite Ten, Soma challenges Isshiki right away, but he learns there are many rules that must be met in order for a formal challenge to occur...

Inui Hinako, a Totsuki alumna, has tasked Soma's group with making a Japanese dish using available ingredients in the area. Anything other than condiments and spices must be procured from their immediate environs. Soma, provoked by Takumi Aldini's challenge, has a flash of inspiration and dashes out with Megumi to find ingredients for their dish!

Soma recklessly challenges Shinomiya to a Shokugeki in order to have him retract his decision to expel Megumi. Shinomiya refuses, but Dojima half forces him to accept. However, Dojima also imposes a condition on Soma and Megumi--Megumi must be the main chef! If they lose, Soma will also be expelled. The unofficial Shokougeki is about to begin!

When Soma's father, Joichiro, suddenly shows up on Polar Star Dormitory's doorstep, Soma finds out that his father was an alum of Totsuki Academy and Polar Star Dormitory. Joichiro challenges Soma to a cooking duel to find out how far his son has come. How will the family duel end?