Kyohei Aizawa, an assassin for a covert non-governmental espionage group in Japan called "SEEK", is grieving over the loss of his girlfriend from a tragic plane accident. The leader of "SEEK",Ryo Mikumo, contacts him for an emergency mission; save a fellow agent, recover a new highly explosive liquid called "RDX@", stop a ruthless Yakuza leader, Sojiro Kotsuki, and his gang before they take over Japan. Although the Ninjas were thought to have disappeared... the new breed of assassins live on helping to protect Japan and all that is right; the Ninjas are coming soon.

　　一個破產的平面設計師最終租了一個有著恐怖故事和神秘鄰居的房間。

1939年繁昌保衛戰，新四軍排長朱振率隊護送握有日軍南京暴行證據與作戰計劃的記者陸瑛。遭日軍圍追堵截，隊員接連犧牲，歷經雪原伏擊、山洞激戰等生死考驗，最終朱振殉國，陸瑛成功送證，助新四軍獲勝，日軍罪行曝光。

　　延續第一部的史詩故事，柯拉（索菲亞·波多拉 Sofia Boutella 飾）與幸存的戰士準備好豁出一切，與勇敢的碧草星居民并肩作戰，即使村落不復往日和平，仍是對抗母星失敗的人們尋得的新家園，這一切，就靠他們來守護。最終大戰前夕，這群戰士必須面對各自的過往，也揭露他們究竟為何而戰。當叛軍勢力星火燎原，王國大軍傾巢而出準備平息動亂，戰友情誼益發堅定，英雄嶄露頭角，不朽傳奇也于焉誕生。