अपनी भाषा में प्लॉट जोड़ेंA sadistic killer sets his sights on a group of friends partying in an abandoned lake house, determined to make their murders his symphony.A sadistic killer sets his sights on a group of friends partying in an abandoned lake house, determined to make their murders his symphony.A sadistic killer sets his sights on a group of friends partying in an abandoned lake house, determined to make their murders his symphony.