peter proud, a college professor in Los Angeles, begins having recurring dreams he cannot explain. In one nightmare, a woman murders a young man while he swims naked in a lake near a hotel; as he drowns, the cry escapes him, > Marcia, don't!. The killer strikes with an oar, and the scene lingers in his mind as a disquieting blur of violence. In subsequent dreams, he sees brief vignettes from the man’s life, including romances with two different women, and flashes of unfamiliar houses and landmarks that feel more like memories than imagination.
Haunted by these visions, he seeks real-world answers and undergoes medical evaluation. In a sleep-lab, the resident doctor, Dr. Samuel Goodman, tells him bluntly that the so-called dreams do not register as dreams at all—and may hold clues to a past he cannot consciously place. One evening, while flipping through channels, Peter sees some of his visions unfold on a local documentary titled The Changing Face of America. The program showcases an arch and a church that recur in his mind, hinting that the places of his visions really exist somewhere in the country. This moment pushes him to trace the locations, and with his companion Nora Hayes, he travels to Massachusetts to test whether the memories point to an actual former life.
In Massachusetts, the couple drives from town to town, chasing a thread that seems increasingly tangible but stubbornly elusive. They fail to land any solid leads until they reach Springfield, where Peter begins to recognize familiar sights—the arch, the church, the Puritan statue, and other recognizable markers that tether the dreams to real geography. The search strains their relationship; Nora Hayes grows weary of Peter’s relentless pursuit and decides to return alone to California, convinced that his fixation is a delusion that will drain them both. Yet Peter persists, drawn by the conviction that the visions are more than fantasies.
The trail finally leads Peter to a woman from the dreams: Marcia Curtis, now a middle-aged alcoholic, living a quiet, fraught life. At a local country club, Peter encounters Marcia’s daughter, Ann Curtis, who has recently come back to care for her mother. Through his research, Peter uncovers that the man from the visions—Jeff Curtis—was once a tennis pro whose life ended in mystery when he was found drowned in Crystal Lake in 1946. The clues begin to weave a single, unsettling narrative: the man in Peter’s visions is connected to Marcia, Ann, and the long-ago event at the lake.
Marcia grows suspicious of Peter, sensing that he knows more about her life than a stranger should. Despite the tension, Ann Curtis and Peter develop a romance, much to Marcia’s dismay. Peter wrestles with a troubling fear: could his feelings for Ann be tangled with the past—could Ann be connected to him in a way that defies ordinary explanation? He even wonders aloud whether he might be stepping into the reincarnated memory of Jeff, Marcia’s late husband. When Ann reveals that her father once proposed to Marcia in the very area where Peter and Ann now share a moment, the emotional stakes tighten further.
The drama peaks at the country club’s pool, where Ann swims while Marcia watches, and Peter—still tangled in the memory of Jeff’s presence—repeats the chilling line, "Marcia, don’t!" in Jeff’s voice. The sight horrifies Marcia, who flees to her home and locks herself in a bedroom. Later, she acts on her distress in a darker way, recalling a moment when she confronted Jeff about an affair she was having while pregnant with Ann; she masturbates to the memory of that past trauma and powerfully confronts Peter about his identity, demanding to know who he truly is. In a tense confrontation, Peter admits that he may be living through the reincarnation of Marcia’s deceased husband, a confession that unsettles Marcia and unsettles the fragile balance Peter has found.
As the revelations unfold, Peter realizes something crucial: by visiting the sites tied to his visions—the places, landmarks, and moments—the haunting visions gradually ease. The lake vision of Jeff’s murder seems to be the last to dissipate as Peter tests this theory against the pull of the memories he has uncovered. He returns to Crystal Lake, drawn to the water’s edge, hoping to free himself from the fear that his experiences have etched into his mind. Marcia follows, arriving in the same boat where Jeff once faced his fate, this time armed with a pistol.
In a moment charged with fatal intensity, Marcia addresses Peter as Jeff, accusing him of tormenting her existence and of an incestuous past with Ann. Peter tries to climb into the boat to escape, but Marcia shoots him, the weapon silencing him at last. He sinks beneath the lake’s surface as Marcia watches, weighed down by years of memory and grievance, the quiet lake concealing the truth of what has occurred.
The film leaves viewers with a haunting meditation on memory, identity, and the possibility that some lives may be bound across time by invisible threads. The dream-haunted protagonist is drawn into a complex web of past and present, lovers and spouses, truth and illusion, all converging at a single fatal moment that reshapes the fates of everyone involved.
