It is eventually revealed that an evil company was conducting illegal biological weapon experiments under the guise of "de-aging serum". When their ship sank, the chemicals leaked, reanimating corpses on the seabed.
If you're looking for (known in Spanish-speaking regions as Marea zombie ), this 2019 Syfy original film delivers the same over-the-top, campy fun as the Sharknado series. While sites like Cuevana or Pelisflix are often searched for, the movie is officially available on major streaming and rental platforms. Zombie Tidal Wave (2019) - IMDb It is eventually revealed that an evil company