Invisible Evidence follows a blind girl on her journey to solve a case in which she happens to be a witness

After being injured in a car accident, Thu - a blind girl came to the police to report the incident that she believed had become a murder. However, she encountered many difficulties to convince the police to believe that she was blind. At the same time, Hai - another witness suddenly appeared with testimony contradicting Thu on the scene of the case. While the police were having a headache verifying whose information was true, the assassin silently monitored both Thu and Hai to try and kill the witness.