a large gang had been growing in Station Square and it was now finding itself in the public high school called Emerald High which was now known to have many students killed for being involved with the gang. Sonic has dreams of being a detective to make a difference in the city, he tells his new teacher Shadow who was secretly undercover in the school, all the information that he needs and also advises to take them down permitly. but the only problem is that the case goes deeper than the school. will the teen and teacher work together or will Shadow keep his identity as a GUN agent hidden while he puts Sonic at risk?