In 1784, shortly after the United States wins its independence, Peter Standish sails from New York to England to marry his cousin, hoping for a settled life, even as he frets that a balloon-crossing Frenchman could steal away any future wonders he might glimpse. The voyage marks the end of an era of promise and the beginning of a mystery that will echo across more than a century.
In 1933, Peter’s descendant, also named Peter Standish, unexpectedly inherits a house in Berkeley Square, London, and finds himself drawn to his ancestor’s diary with a mix of curiosity and hesitation. His fiancée, Marjorie Frant, grows worried as he becomes increasingly obsessed with what the diary seems to reveal, hinting at a fate he can barely contain. During a quiet tea with the The American Ambassador, Peter reveals a bold conviction: at 5:30 that very day, he believes he will be transported back 149 years to meet his past self.
When the clock strikes, Peter steps through time and takes the place of his 1784 counterpart at a house belonging to the Pettigrews. There, Lady Ann Pettigrew greets him alongside her grown children, including Helen Pettigrew and Kate Pettigrew, who are navigating fragile finances and difficult marriage prospects. Kate pressure-tests a match with a wealthy American, while Helen, stubborn and independent, resists a match she does not want and secretly harbors a longing she cannot easily name.
Peter’s presence in the past unsettles everyone. His unfamiliar manners and remarks about events not yet realized provoke unease and fear, and he unintentionally offends people who have known these rhythms all their lives. When he commissions Sir Joshua Reynolds to paint his portrait, he praises another Reynolds work by name, a discovery that mystifies the artist and underscores Peter’s sense of time out of joint. Kate becomes convinced that something demonic or uncanny is at work, and her engagement with Peter falters. Yet the bond between Peter and Helen Pettigrew deepens; Helen, moved by his vulnerability, begins to understand his struggle and grows sympathetic toward him.
As the days unfold, Peter wrestles with revealing his true understanding of a modern world fractured by science, hygiene, and convenience—elements he finds repugnant and exhilarating in equal measure. Helen, sensing the burden of his secret, presses him for an explanation of his “second sight.” Although Peter resists a frank confession, Helen’s presence begins to evoke visions of a future filled with both marvels and horrors, seen through the eyes of a man who longs for a home he cannot keep. She urges him to return to his own era, even as his feelings—complicated, tender, and real—pull him in the opposite direction. Ultimately, he chooses to return to 1933, leaving Helen behind but carrying the memory of their connection.
Back in his own time, Peter visits Helen’s grave and uncovers a final, aching revelation: she died on June 15, 1787, at the age of 23. The shadow of their impossible romance presses on his conscience, and Marjorie’s anxiety about his sanity deepens. Peter resolves that he cannot marry her, even as the memory of Helen’s presence lingers like a trace of weathered dawn. He finds a measure of solace in the grave’s epitaph, a quiet testament to a love that transcends time, spoken in a line that remains with him as a guiding creed: not in my time, nor in yours, but in God’s.
> not in my time, nor in yours, but in God's
