Decades since he last merged with Ultraman, Shin Hayata learns of a new threat to Earth. His son, Shinjiro, also shows signs of superhuman strength.
Wearing a protosuit, Shin is critically injured while saving Shinjiro from Bemlar's attack. In desperation, Shinjiro returns to rescue his father.
With Bemlar paving the way for other alien species to attack Earth, SSSP's Edo asks Shinjiro to take on the mantle of Ultraman.
Shinjiro is sent on a mission to exterminate a hostile alien, but the target flees into the city, endangering countless civilians.
After uncovering evidence of alien involvement in a string of bizarre homicides, SSSP agent Moroboshi contacts an informant inside an alien enclave.
Shinjiro’s reluctance to execute homicidal aliens deeply concerns agent Moroboshi. Shin shares with his son what it truly means to be Ultraman.
Embattled at first, Shinjiro finds his resolve and activates a latent power during his fight against a hostile alien. Rena prepares for a big concert.
At Rena's concert, an alien calling himself Agent Adad demands a confrontation with Ultraman. Things go from bad to worse when Bemlar joins the fray.
Shinijiro fears that his cover may be blown by an underclassman. Later on, he's taken aback when a rogue Ultraman shows up to aid him in battle.
Seiji dreams of a day when aliens are accepted openly on Earth. Hoping to fight for this cause, he pleads with the SSSP to bring him on board.
Seiji has a tense confrontation with Shinjiro and Moroboshi over the use of his powers. Rena asks Shinjiro to give Ultraman a message.
Moroboshi, Shinjiro and the might of the SSSP sets out to protect Seiji on his quest to punish those responsible for the airline tragedy 12 years ago.
The Ultraman trio are fighting a losing battle against the mercenaries, but just when things seem hopeless, Shinjiro's dormant power finally awakens.