One summer day sisters Lyder and Iris receive a letter from their uncle who invited them to visit a remote castle that he had bought. Sisters accepted invitation, but uncle was was not there, so they decided to wait for his return.

One summer day sisters Lyder and Iris receive a letter from their uncle who invited them to visit a remote castle that he had bought. Sisters accepted invitation, but uncle was was not there, so they decided to wait for his return.