Set in the advanced metropolis of Vanille, the film "Nostalgia" tells the story of a father and his son whose lives are on the brink of falling apart when the father's ImmerSyst Eyes Ears malfunction. Fearing to confront his own painful past, the man is forced to venture out into the city in search of a new device, only to discover a world of deception and peril lurking beneath the superficial beauty.