Mystery Agency III 

Young screenwriter Isabel is suffering from writer's block. To get her creative juices flowing, she's rented a cabin in the remote Quinault Rain Forest, a temperate rainforest in the Pacific Northwest.

She comes across a terrifying secret when she finds the hidden laboratory of a scientist who, in the same place years before, developed a serum that induces clear visions of the past. Taken aback, but nevertheless intrigued by the possibility of a great story for her new screenplay, she begins to dig deeper. When her strange behavior attracts attention, one of the locals calls the Mystery Agency