بدون تاریخ بدون امضا

About:
While driving his car, Dr. Kaveh Nariman accidentally hits a motorcycle that a family was riding on. The family leaves apparently unscathed. The next day, at his place of work, which is forensic medicine, Dr. Nariman comes across the dead body of the son of the same family, but he refuses to face the family of the deceased in order to find out the main reason of the boy's death.