On a trip, Aadalarasu meets his lookalike and promises to fulfil the latter's request. His look-alike dies and he takes his place in his family while his own family thinks he is dead.
You can now watch Sandhitha Velai online on the following streaming providers in the United States.
| Production | Kaja Moideen | Producer |
| Directing | Ravichandran | Director |
| Camera | Jayanan Vincent | Director of Photography |
| Editing | B. Lenin | Editor |
| Editing | V. T. Vijayan | Editor |
| Sound | Deva | Original Music Composer |
| Writing | Ravichandran | Writer |