Clara Cruise, a teenage girl with joy that is always radiated by a smile. Her classmates considered that her life is perfect. Become a famous family that filled with in harmony. But one day, her mom is died in an unnatural condition. With her intelligence, Clara wants to find out her mom's killer and suspects her dad. But the Police consider it a case of suicide. A month passed, for some reason Mr Cruise kept his profile as a writer. In contrast to her child, since the mom's absence, there is not a single smile line on her face. Silence pervaded their mansion. Clara tries to fulfill her mother's dream, to become a doctor and always be by her father's side no matter what. How does this beautiful girl live with the person who killed her mother? What reason did Mr Cruise have to kill? What is hidden behind this perfect life?