Zara goes to the optician clinic to get contacts for her poor vision. Her boyfriend Jonathan picks her up after. At home, she puts in her contacts and realizes the man downstairs is an imposter. Terrified, she looks for a way to escape but the imposter finds and attacks her, leaving her unconscious. The next morning, she wakes up in bed but finds herself shackled, with the imposter saying good morning. The film aims to be a thriller exploring how Zara's poor vision leads to this situation, inspired by shows like Luther and Hush.