Enroute Madras via train, when three friends get falsely accused of a mysterious homicide, they escape and desperately search for the real killer.
You can now watch No. 20 Madras Mail online on the following streaming providers in the United States.
| Directing | Joshiy | Director |
| Writing | Dennis Joseph | Writer |
| Camera | Jayanan Vincent | Director of Photography |
| Editing | K Sankunni | Editor |
| Sound | S.P. Venkatesh | Original Music Composer |
| Sound | Ouseppachan | Original Music Composer |
| Writing | Harikumar | Story |
| Camera | Santosh Sivan | Second Unit Director of Photography |
