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》全集在线观看、天外讯号观看免费完整版、天外讯号免费完整版在线播放相关剧情资源，请持续关注小智乐影视在线!