In the late 1960s, Kristófer (Palmi Kormákur) is a young Icelander man studying at London School of Economics, but his left-wing beliefs put him at odds with the school administration. After being mocked by his college friends for saying he would drop out, Kristófer impulsively applies to be a dishwasher at Nippon, a Japanese restaurant owned by chef Takahashi, where he meets and falls in love with Miko (Kôki), Takahashi's daughter. Kristófer learns Japanese and works hard at Nippon, earning the trust of Takahashi and Miko. He witnesses Takahashi forcibly break up a relationship between Miko and her boyfriend. Takahashi trains Kristófer as a chef and lets him come in early to practice. As Miko visits Kristófer to taste his cooking, they grow closer and start a relationship, unbeknownst to Takahashi. Miko confides in Kristófer that her family was originally from Hiroshima, and her mother was pregnant with her at the time of the bombing. Facing discrimination back home as 'Hibakusha,' th