Lillia, unaware of her past, participates in dream visualization trials at Lucid, led by Dr. West. Isolated with her friend Andrea, she undergoes experiments to convert dreams into imagery.

Lillia is a test subject for an experimental company called Lucid. The facility's developments are led by Dr. West, who is attempting to visualize dreams in the form of computer imagery. Being kept in the dark about her past, she undergoes numerous trials with her only friend, Andrea.