Peter, a talented architect residing in London, is haunted by memories of his idyllic childhood in Paris, where he lived with his beloved playmate, Mimsey. Tragically separated when Peter's mother dies, he is uprooted from France and taken to England, losing all connection with Mimsey. As an adult, Peter remains unaware that Mimsey has grown into Mary, now the Duchess of Towers. Coincidence reunites them when Peter is hired to restore a manor owned by Mary's husband, the Duke. Upon meeting again, they immediately recognize each other from their shared past. Though their circumstances are complicated by Mary’s marriage to the Duke, their rekindled bond transcends time and circumstance.

Peter and Mary develop a deep, unspoken connection, haunted by their past but constrained by their present lives. Their love, seemingly fated yet forever out of reach, becomes a poignant and cherished secret. However, conflict arises when Peter is confronted by the Duke, leading to confrontation and, ultimately, Peter’s imprisonment. Despite the barriers separating them, Peter and Mary experience an otherworldly method of connection through their dreams. In their dream world, they find solace and freedom from the restraints binding them in reality, exploring love unburdened by worldly concerns. From here, their story ventures into a realm where soulmates meet beyond earthly confines, suggesting that true love knows no boundaries, not even those of time and space.