Pan Yu Ling tells Fei He that Yasaka killed Liu Fei Yan, but that his dying words were to not seek revenge, however she has trouble reconciling this information. Meanwhile the Nahash priests try to extract information about Migadol's thunderbolts from Erika, a nuclear fission device designed by her father. A flashback shows how Erika's father made her promise to keep the information secret before he died and Fei Yan took Erika to safety. Tian Xue-Fang and Hippo offer to help Pan Yu Ling against their common enemy, the Nahash and she accepts. Fei He intercepts them as they leave, asserting that they plan to double-cross Pan Yu Ling, so she blackmails them into helping her find Yasaka. Meanwhile Yasaka realizes that Erika is being kept prisoner in the same building.
Erika et Yasaka sont prisonniers de Siméon, qui dévoile à la jeune fille le projet du sinistre groupe nommé "Genesis". De son côté, Kenshirô poursuit les recherches, épaulés de Zi-Ying, pendant que Yu-Ling essaie de raisonner Fei-He qui continue à crier vengeance...
「北斗神拳は人の心を救う拳。だから復讐など忘れろ。」
玉玲から飛燕の最期の言葉を聞かされ、緋鶴は気持ちのやり場に戸惑っていた。その一方で、拳志郎はエリカとヤサカの行方を懸命に追っていた。
地下宮殿に捕らわれたエリカは、ジェネシスの幹部から『ミガドルの雷』の真相を聞かされる。エリカの記憶にある『ミガドルの雷』と、父でもあり天才科学者でもあったロバート・アレントとは…!?
拷問受けるヤサカの命を守るために、やがてエリカはある決意をする。
Ao saber das palavras finais de Fei-Yan, Fei-He fica sem rumo. Enquanto isso, Kenshiro está em busca de Erika e Yasaka - levados a um palácio subterrâneo onde os líderes da Genesis lhes contam a verdade sobre os relâmpagos de Migadol.
옥령에게서 비연의 죽음에 대한 진실을 들은 비학은, 복수의 목적을 잃고 나아갈 길에 대해 갈피를 잡지 못하게 된다. 한편, 지하 궁전에 끌려간 에리카는 제네시스의 간부로부터 미가도르의 천둥에 대한 진실을 듣게 되는데.