Watch Another Girl (2021) HD Full Movie Free on solarmovie.do. Watch Another Girl (2021) online free. Elle a student, becomes obsessed with Katie, the heroine of a novel she's just finished reading. Whe...Elle a student, becomes obsessed with Katie, the heroine of a novel she's just finished reading. When Elle, battling depression, becomes convinced that Katie is actually a human being, it sets her on a reckless and terrifying course.