In O2, a young woman wakes up alone in a cryogenic capsule. She no longer knows who she is, or how she ended up locked in a chest the size of a coffin. As she begins to lack oxygen, she will have to recompose the elements of her memory to get out of this nightmare. This is the synopsis of Oxygen, the new feature film by Alexandre Aja. For his first collaboration with Netflix, the horror director directs Mélanie Laurent and locks her in a breathless camera. The first teaser emphasizes the oppressive side of the situation with the heroine’s shortness of breath, creating a feeling of stress and danger among the spectators: like her, we dream of taking a good breath of air outside. this tube.