You can watch III on various streaming platforms in the US: Check availability on major US streaming platforms like Netflix, Amazon Prime Video, Disney+, and other legal services.

Yes, III is available with English audio and subtitles on most streaming platforms. Please check the availability of English dubbing on your preferred platform.

A small European town, where sisters Ayia and Mirra live, gets struck down by an unknown disease which takes many lives. Following their mother's death, the younger sister falls ill. Having realized that conventional medicine is useless in the face of the sister's disease, Ayia seeks help from Father Herman, a parish priest and a close family friend. In his house she finds books that are very far from the conventional religion. She gets to know that only penetration into Mirra's sick subconscious mind and discovery of the true cause of her disease will give her a chance to save her sister. Ayia is ready to go through this terrifying ritual, dive into the depths of the subconscious mind, and face the demons residing there. But will she cope with her own fear when she discovers the mysteries of her sister's past? Since the closer to the bottom of the ocean, the darker it gets.

The main cast of III includes: Polina Davydova, Lyubov Ignatushko, Evgeniy Gagarin, Andrey Abramichev, Galina Kritsuk

III has a duration of 1h 20min.

III has received a rating of 4.7/10 based on 62 user votes.