When Knuckles the Echidna is in need of a job while Sonic & Tails were in a different world, he meets the lead detective, Vector the Crocodile. Knuckles gets offered a job as an fellow detective like Vector's teammates, Espio, Charmy, Mighty and Ray. Luckily for our heroes, 2 new threats arrive, Scourge the Hedgehog and Fiona the Fox.
