The SBI investigates a case. A stolen necklace from a locker, and a stolen watch. The SBI begans to notice a pattern in all the thieves, it points to them. Soon, the SBI go to school the next day and they discover the school against them. They find the stolen necklace and watch in the SBI's backpack. The SBI is banned from solving the case and is closed down. Finally, they begin to suspect Stephine as the thief, but they realise it was Cindy and Melvin. The SBI hide in the principal's office at night, accompined by the principal himself. They find their theory right about Cindy and Melvin being the criminal. The episode closes with journalists saying "The SBI is back!".