Disclosed is a method for playing content stored in a storage device connected through at least one interface, including detecting a first storage device and a second storage device connected a second playback device, requesting first information related to the detected second storage device, receiving the first information from the second playback device, and playing at least one content included in the first storage device or the second storage device, wherein the first information includes at least any one of an identifier (ID) of the second playback device, an ID of the second storage device, and a content ID list.