Ruby Chen has always played the part of the dutiful eldest daughter: excelling in school; excelling in piano lessons; excelling at keeping her younger sister, Tina, focused on extracurriculars meant to impress college admissions officers.

Ruby Chen has always played the part of the dutiful eldest daughter: excelling in school; excelling in piano lessons; excelling at keeping her younger sister, Tina, focused on extracurriculars meant to impress college admissions officers.

But when a ghost from the spirit world attacks Ruby in the middle of Vancouver's Chinatown neighborhood, her life is plunged into a darkness that no amount of duty can free her from.

Overnight, Ruby's sister seems to change. There are strange noises coming from her bedroom at all hours; and the once sweet, funny Tina has been replaced by something dark and unnatural.