On one of the moons of their stellar system, the Vineans have detected a mysterious light source that only appears every five years. Its point of origin matches the location of an ancient depot where every dangerous industrial, chemical and radioactive waste ever produced on Vinea was once stockpiled. Having no idea what the light could be, but worried of the destructive potential present on Ixo, Khany puts together an expedition - and brings along her favourite Human consultants...