When an ancient alien craft goes Midas on anything and everything in its way, it's up to Rain, Sean, and Stone to value life and end this precious predicament! Closer to home, the teamis stumped by a more personal problem, namely who alien prodigy, Firo, really is! What does he know about the metallic mayhem threatening the Earth? Where did he come from and why? With time running out and more questions than answers, how will our heroes foil the UNKNOWN ALCHEMIST?!