"What Lurks Beneath" is a horror movie that was released in 2023. The movie has different plots depending on the source. According to IMDb, the crew of USS Titan find themselves on the brink of world war 3 with Russia when a naked stowaway appears in one of their torpedo tubes. According to The A.V. Club, a team of engineers on Mars discover life on the red planet, and they soon wish they didnt. According to Movies and Mania, the movie is about the crew of a US submarine that discovers they have a naked female stowaway. The movie is an homage to the weird and wonderful world of B-movies.