Radio astronomers discover a mysterious signal in the deep sea that could be contact with extraterrestrials. After several terrifying manifestations threaten their beliefs, the team must fight to survive the ultimate evil.更多《天外讯号》全集免费播放、天外讯号中文完整版、天外讯号完整版全集免费观看相关剧情资源，请持续关注极品电视!