Combat engineer Dr. Bruce Roberts is tasked with collecting special microbes for a formula that can reverse the effects of aging and extend human life. These extremophiles thrive in blistering temperatures and high radioactivity. The best candidate for such a place is the nuclear waste storage caverns below Japan's crippled Fukushima power plant, one of the most hazardous environments on earth. Normally he'd never accept such a dangerous assignment, but his team is comprised of three contrasting women: a fiery turncoat mercenary, a buxom professor and Nobel-laureate, and a leggy blonde...