Sixteen-year-old Mayil is secretly loved by her handicapped cousin, Chappani, and the village rowdy, Parattai. But, she falls for a city doctor who takes advantage of her and deserts her. Gradually she realises how much Chappani loves her meanwhile, Parattai also eyeing for Mayil.
Unfortunately the movie 16 Vayathinile is not yet available on HBO Max.
| Directing | Bharathiraja | Director |
| Production | S. A. Rajkannu | Producer |
| Writing | Bharathiraja | Screenplay |
| Camera | P. S. Nivas | Director of Photography |
| Sound | Ilaiyaraaja | Original Music Composer |
| Writing | Kannadasan | Lyricist |
| Writing | Alangudi Somu | Lyricist |
| Writing | Gangai Amaran | Lyricist |
| Writing | P. Kalaimani | Dialogue |
| Writing | Bharathiraja | Story |
| Editing | R. Bhaskaran | Editor |
