Conjoined twins Bob and Walt Tenor lead a comfortable and cooperative existence in their small hometown, where they successfully run a diner together. Despite their physical connection at the hip, which presents daily challenges, they manage to live in harmony, each showcasing unique talents and dreams. Bob is shy and reserved, content with their life and small-town fame, while Walt harbors aspirations of making it big as an actor. Their deep bond and complementary personalities allow them to navigate most of life's obstacles smoothly, but Walt's growing desire to pursue an acting career in Hollywood begins to test the limits of their relationship and physical condition.

When Walt finally convinces a reluctant Bob to move to Los Angeles so he can chase his dream, they encounter an array of quirky characters and unexpected opportunities. In Hollywood, they find an agent who sees potential in them, leading to a stint on a popular TV show. Meanwhile, they befriend their beautiful neighbor, who inadvertently introduces complexity into their lives. As Walt's acting career starts to take off, the brothers must confront not only the practical difficulties of their unique situation but also deeper questions about individuality, sacrifice, and ambition. Their journey challenges the strength of their bond and forces them to consider the possibility of living separate lives, despite the risks involved.