Акванавты (1980)

Two aquanauts working at a deep-sea research station discover a baffling mystery. The girlfriend of a deceased colleague has returned – transformed into a giant manta ray. The creature communicates with the team using messages written on the station windows and desperately tries to get their attention. As the aquanauts grapple with this strange event, they face questions about life, death, and the ocean's hidden secrets. This film blends science fiction, suspense, and emotion for a journey into the unknown.