chunk: After they drive together and work naturally as a team, Speed begins to suspect that Racer X is actually his brother Rex in disguise. His family discovers that he has entered the race and agree to support him. With the help of his family and Trixie, Speed defeats many brutal racers who have been bribed by fixer Cruncher Block to stop him, and overcomes seemingly insurmountable obstacles to win the race. However, Taejo's arrangement is revealed to be a sham, as he was only interested in increasing the value of his family's company so that they could profit from Royalton's buyout. An angry Speed hits the track that he used to drive with his brother, and confronts Racer X with his suspicion that he is Rex. Racer X removes his mask, revealing an unfamiliar face, and tells Speed that Rex is indeed dead. Speed returns home, where Taejo's sister Horuko Togokahn gives him Taejo's automatic invitation to the Grand Prix, which Taejo had rejected. The Racer family bands together and builds the