Ajnabee is a romantic thriller drama. The movie revolves around a young couple - Raj (Bobby Deol) and Priya (Kareena Kapoor), who have recently moved to Switzerland. Soon they meet their neighbours - Vikram (Akshay Kumar) and Sonia (Bipasha Basu), another young Indian couple, and they instantly become friends. They start spending a lot of time together. Later, Sonia gets murdered mysteriously, and Raj becomes the prime suspect of the murder. Thereafter, Raj runs away to collect all the proofs and thus prove his innocence. Will Raj be able to unveil the mystery?