Bury Your Fish (1969) on Netflix

A young woman, desperate to rediscover purpose in life, takes guidance from a flashing light a block away.

Bury Your Fish is a dark psychological drama which follows Sonia, an isolated and lost young woman, as she begins taking life directions based on cryptic Morse code from a mysterious flashing light. When her fish suddenly dies, Sonia must face the ominous phantasm searching for the answers when the only question quickly becomes her own mental stability.