Gamera the Brave

In 1973, Original Gyaos descend on Shima, forcing a mass evacuation as residents scramble for safety. Avant Gamera swoops in to buy time for the evacuation and to shield as many people as possible. In a final act to end the threat, Gamera sacrifices himself in a self-destruct, while Kousuke Aizawa watches from the shoreline.

Thirty years later, Kousuke has become a steady, hard-working father and husband. His son Toru struggles with the fear of being left alone, haunted by memories of his late mother Miyuki. The family is further strained when Mai Nishio must undergo a dangerous heart operation.

To lift Toru's spirits, his friends Katsuya and Ishimaru take him exploring. In a coastal area near their town, they discover an unusual egg resting atop a glowing red stone. The moment of discovery hints that Toto may be more than it first appears.

The egg hatches into Toto, a juvenile turtle-like creature displaying sharp intelligence, levitation, and bursts of fire. Toto's rapid growth forces Toru and his friends to relocate him to keep Toto hidden from prying eyes. The group begins to realize Toto may be destined for something greater than a normal pet.

Toru gives Mai the red stone he found with the egg, hoping it will be a good luck charm for her surgery. Mai accepts it as a talisman and focuses on recovery, speaking softly about Toto to the family. The gesture deepens the bond between the Aizawa family and Toto.

A brutal storm lashes the coast, and Toto vanishes from his hiding place. Toru and his friends search frantically while government authorities tighten the perimeter and worry about a dangerous unknown creature. The disappearance triggers a city-wide effort to locate Toto before more harm can come to anyone.

Zedus, a monstrous mutated reptile fed on Gyaos's remains, rampages along the coast and threatens civilians. Toto, now showing greater power, intervenes to protect fleeing people, but is wounded and captured by government authorities.

Scientists who once studied the original Gamera program keep Toto in a warehouse and attach him to a device that infuses him with a liquid derived from the red stones near the site of Gamera's past self-destruction. They believe the treatment will boost Toto's power and make him a stronger guardian. Toto endures the procedure as the lab hums with activity.

Mai's heart operation turns out well, and she is recovering. Harumi Nishio informs Kosuke that Mai is on the mend, but notes that Mai keeps muttering that Toto needs the glowing stone. The strange focus deepens the mystery around Toto's purpose.

The red stone begins calling to a group of children who rally to Mai's aid and relay the stone across the city toward Toru and his friends. The stone's journey unites the kids as they work to keep Toto's location secret from authorities while guiding him toward his destiny. The community mood shifts from fear to hopeful purpose.

Zedus attacks again, and the now-grown Toto steps into the fray to protect fleeing citizens. Kosuke, wary but determined, joins Toru and the others as they attempt to shepherd Toto toward safety. The stakes rise as the city braces for a final confrontation.

Toru and Kosuke realize Toto must ingest the red stone to unlock his full power, and they decide to proceed to save lives. Kosuke initially resists but ultimately supports the plan to ensure the city can be saved. The team prepares for the decisive moment.

Toto's power surges as jet-propelled flight begins; he fires a charged plasma blast down Zedus' throat, destroying the monster. Toto escapes government attention and soars into the sky, while Toru, Kosuke, and the children watch in awe. The threat to the city is finally neutralized.

With Zedus defeated, Toru bids Toto a tearful farewell, acknowledging their bond has forged a new chapter for their world. The guardian-child relationship between Toto and the Aizawa family marks a hopeful ending as Toto vanishes into the heavens.