Terrible Secret

A child has disappeared. The charming blonde little girl Koko went missing during her father's anniversary celebration. A stir was raised, and the whole country was involved in the search for Koko, but in vain — the girl was never... found. Twelve years have passed, and Koko's elder sister is preparing for their father's funeral. The same people who were present that fateful night will gather there. Each of them has something to hide and fears that the truth will come to light until death. Is it possible to untangle the painful knots of complex family relationships? Is it possible to uncover the secret of a distant past, and should this be done?