An undercover cop and a secretive CEO spark a dangerous romance amid a brutal crime war, realizing the only person they can trust is each other.

This long-awaited biopic provides a vivid account of the remarkable life of Anita Mui in and behind the limelight, chronicling her journey from a child performer to becoming one of world's most recognized music icons.

Accomplishing her late husband's wish of remaining a mysterious neon sign, a depressed middle-aged widow and the neon signmaker's protégé discover surprises and bitterness amidst the city's vanishing glow.