For centuries, They have waited Below. For centuries, They have suffered underground... When a series of unexplained murders rocks the borough of Queens,  a Korean-American detective and her social worker best friend take it upon themselves to try and solve the case, and track down the mysterious culprit, before he, or it, can strike again... But there is something strange about this case, something that makes it different from anything they've dealt with before.  For one thing, the culprit isn't exactly human.... Soon, they'll travel Below and make a shocking discovery, one that threatens to change human civilization forever as they know it. For the Underworlders are real, They're angry, and Their time has finally begun!