T Aiden, a sugar glider of Māori descent, works by day at a beachfront sports shop. But by night, he protects the resort town of Esther Bay as THUNDER, a vigilante with the ability to control electricity at will.

Unfortunately, being a superhero has more downsides than upsides, and Aiden quickly collapses under the weight of his choice and his neglected mental health. Adding to his hallucinations and night terrors, a terrifying criminal organization appears to be hunting people like him...