Beneath the surface, in the cramped, damp confines of a forgotten tunnel, two strangers, bound by circumstance, find themselves drawn together in the darkness. Their bodies, pressed close for warmth, begin to stir with a primal hunger. Emma's fingers tentatively explore the hard muscles of Jack's torso, while he gently traces the contours of her face, his thumb brushing her lips. The earth around them trembles, but they're oblivious, lost in their intense, underground world, their bodies moving in sync, their gasps and moans filling the void, as they give in to their carnal needs, their sweat-slicked bodies glistening in the faint, subterranean light.