In 2026, Artemis 2 manned the moon, but NASA concealed its true mission: the moon is not a satellite, but an ancient prison that imprisons the terrifying existence of the universe. Four astronauts received memory fragments from the Apollo era in deep space and discovered that human civilization was only the 28th test subject. When the seal on the far side of the moon begins to crack, they must choose between sacrifice and the truth - the ultimate test of humanity's rite of passage.