A beautiful orphan named Audrey finds the body of a young woman in an old empty mansion.It seems that the murder was committed twenty three years ago and the police was unable to find the body back then.The girl starts having nightmares as her private investigation keeps going.When she finds a hidden diary the truth begins to unravel...and the murders start again."House of Shadows" is a delightfully obscure and old-fashioned horror mystery with plenty of suspense.This rarely seen film was produced in Argentina starring Yvonne DeCarlo and John Gavin.The lighting is frustratingly dark sometimes,but the acting is solid and the mystery of an old murder mansion is suitably chiling.7 out of 10.