Thunder's father died in an accident leaving in his hands a quest: finding his mother thought to be dead and his long lost brother Lightning. Upon arriving at his mother's house, Thunder discovers secrets from his past, including the vanishing of his memories. Asked by his mother to bring Lightning home and to the way he was from his now sinister self, Thunder sets out in an adventure that will lead him all across the world in an attempt to catch up to his twin in search of something he is yet to discover. Thunder is now forced to rediscover his powers and use them to protect the world's balance from Lightning. Many arduous battles and hardships await the twins including Thunder's involvement with a secret organisation. What's the reason behind Lightning's behaviour? And how will Thunder be able to stop Lightning when his power is on a complete different level to Thunder's own? Follow the twins in their epic adventure and power struggle as they both strive to put their ideals forward.