In the distant future, in a monastery on the lonely Neptune moon of Athos, a mysterious crime unfolds. An artificial intelligence responsible for life support comes under suspicion of murder. An inquisitor specializing in artificial intelligence is sent to solve this mysterious case.

On a warm spring day, Liam sets out with his best friend Deniz to find a tree that he used to visit often with his grandfather and brother. Beneath the surface, Liam's longing and anger toward his brother, who left the family years ago, becomes palpable.