During a winter voyage in 1967, a 20-year-old man's world shifts when he meets a captivating girl named Emanon on a ferry. Their encounter leads to a dinner where Emanon, with a history stretching back over three billion years, shares her incredible story as a carrier of ancestral memories from the dawn of life on Earth. Omoide Emanon follows the journey of a girl uniquely connected to the planet's ancient past, offering a glimpse into the enduring legacy of genetic memory.