Paramount Plus / Showtime
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A team of radio astronomers discover a mysterious signal in the deep sea that could be the world's first contact with extraterrestrials. After witnessing various impossible phenomena, the team becomes convinced that something is trying to communicate with them. Soon the communications go from inexplicable to terrifying, threatening not only the team's beliefs, but also their lives. When chaos culminates in an ominous revelation that makes everyone a threat, the team must fight for sanity and survival in a nightmare against the ultimate evil.
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