Detective Jameson narrowed his eyes at the scant details of the case file. A lone witness described a woman with striking violet hair, dressed in a pastel raincoat, crossing the busy neon-lit intersection the night of the murder. No other leads, no motive, no weapon.

"You think she's involved?" his partner asked skeptically. Jameson just shrugged. "I don't know, but I aim to find out." He poured over the grainy surveillance footage, the woman's image flickering like a ghost.

"Right turn, go back to the hotel," Jameson told the cabbie, a sudden spark of recognition. There, in the corner of the screen, the woman's face caught the light, her violet hair shining like amethyst. A name flashed in Jameson's mind - Lila Grey, a recluse with a dark history.

"Driver, step on it," Jameson growled, his gut telling him the woman knew more than she was letting on. He had her now, like a fish on a hook. Jameson would unravel the mystery beneath the city's gaudy lights, starting with one beautiful, dangerous woman.