A cop in Singapore investigates the disappearance of a Chinese migrant construction worker who spent sleepless nights playing a mysterious video game.

After the mysterious disappearance of their baby daughter, a young couple receives strange videos and realizes someone has been filming their daily life — even in their most intimate moments. The police set up surveillance around their home to catch the voyeur but the family starts to crumble as secrets unravel under the scrutiny of eyes watching them from all sides.