Coralba , since returning from a trip to Tuscany , shows signs of mental imbalance . Three friends of hers , who are part of a detective association about paranormal phenomena , investigate to find out the reason for her discomfort .
Overview：Coralba , since returning from a trip to Tuscany , shows signs of mental imbalance . Three friends of hers , who are part of a detective association about paranormal phenomena , investigate to find out the reason for her discomfort .
