In the chaos of the ER, functioning without sleep is a prized skill. Until a dead nun speaks to Dr. Angela Rossi. 'Find the girl,' the nun commands, the words drilling into Angela's brain. The girl is real. The threat to her is deadly. Aided by a police detective fallen from grace, Angela searches the midnight catacombs beneath the city, facing down a ruthless gangleader and stumbling onto a serial killer's lair. Her desperate quest to save the girl leads her to the one thing she least expects: a last chance for love.