In an era of global instability, how would people react to a mysterious alien that battles deadly monsters on Earth? Would a suspicious human race be capable of viewing Ultraman as a friend or foe? Ultraman Nexus follows Kazuki Komon, a first responder who joins the Night Raiders, a secret group that fight murderous monsters called Space Beasts. Komon's life is changed after the mysterious giant called Ultraman saves his life, but is shocked to find that the Night Raiders' parent organization, TLT, is inclined to view Ultraman as a threat.