Mona watched them with dark, darting eyes as they dipped and tripped over the makeshift dance floor in the stuffy basement. Their laughter sounded high and clear, silky strands of hair catching the dim light and refracting it into a million shimmering sparkles. She gripped her cup, the plastic cracking between her fingers, the piss-warm and piss-taste beer threatening to overflow. Careful, careful, she chastised herself, easing her grip, forcing herself to relax. To ignore that itchy feeling between her shoulder blades. The tingling at her fingertips that drove her to something. Was it one of them? She puzzled over it while she watched, her eyes catching everything.