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》免费完整版在线播放、天外讯号完整版无删减、天外讯号在线播放免费相关剧情资源，请持续关注河南剧光影视!