When Detective Saguru Hakuba returns from London, he vows to capture and learn the identity of Kid the Phantom Thief. Saguru quickly becomes a classmate to Kaito. When he sees Kaito refuse tickets to a concert with Aoko Nakamori, he decides to take matters into his own hands. Him and Kaito get into a bet. If Saguru can capture the Phantom Thief then he can take Aoko to the concert. If he fails to do so, then Kaito becomes the winner.