A bunch of characters, each with their own set of problems, try to tackle the question of marriage that hangs over their lives.
You can now watch Oru Naal Koothu online on the following streaming providers in the United States.
| Editing | VJ Sabu Joseph | Editor |
| Production | J. Selvakumar | Producer |
| Costume & Make-Up | Jayalakshmi Sundaresan | Costume Design |
| Costume & Make-Up | Sathya N J | Costume Design |
| Sound | M. R. Rajakrishnan | Sound Mixer |
| Writing | Nelson Venkatesan | Screenplay |
| Writing | Nelson Venkatesan | Story |
| Camera | Gokul Benoy | Director of Photography |
| Sound | Justin Prabhakaran | Original Music Composer |
| Production | Vittalkumari G | Producer |
| Camera | R. S. Raja | Still Photographer |
| Directing | Nelson Venkatesan | Director |
| Art | Videsh | Art Direction |
| Production | Raja Senthil | Executive Producer |
| Crew | R Sakthi Saravanan | Fight Choreographer |
| Sound | Sean Roldan | Playback Singer |
| Sound | Dr. Narayanan | Playback Singer |
| Sound | Anthony Daasan | Playback Singer |
| Writing | Sankar Dass | Screenplay |
| Writing | Sankar Dass | Dialogue |
| Writing | Sankar Dass | Story |
| Writing | Nelson Venkatesan | Dialogue |