The seesaw game of distorted love

いびつな恋のシーソーゲーム

Inspector Sudou is known for always succeeding in retrieving the items stolen by the notorious thief Grey, a master of disguise, who is able to steal the goods even though he sends the police a notice on what he intends to steal beforehand. How is Sudou able to get the stolen items back from this evasive burglar? (Source: MU)