While Batman, Captain Jim Gordon and District Attorney Harvey Dent work side by side to end Carmine Falcone's illegal activities, a series of murders linked to the mafia world unfold in Gotham City. The mysterious villain, nicknamed "holiday" (holiday), is killing members of the most important families of mobsters linked to the Falcone, every holiday or commemorative day. In the crime scenes, there is only a .22 gun and a baby beak, which acts as a silencer and also as a "reminder" of the criminal. Valid clues are played, and murders are committed by a professional.
