**_There’s something in the water_** Two college youths (Liana Liberato & Noah Le Gros) take a romantic getaway to the lonely shores of Cape Cod before the Summer season hits. An unexpected older couple disturbs them a bit (Jake Weber & Maryann Nagel), but that’s nothing compared to the curious goings-on in the environment. "The Beach House" (2019) is a capably made slow-burn ecological mystery with a Northeastern coast milieu. It starts out similar to “Beach House” from the year prior, but takes a sci-fi/horror turn in the second half. The landscape is scenic in a typical coastal sen...