Dave blames himself for the death of his wife Samara. He moves to the abandoned family farm to recover. There, he connects with his cousin Gareth. When they find a bottomless pit that changes everything that enters it, they become obsessed with its secrets.

Dounia, a young woman who travels to Russia to bid a final farewell to her sick father, arrives to find her stepmother informing her that it's too late, yet she stays for the funeral and discovers she has a half-brother.