Rudhra, who works tirelessly for a successful career and money, and suffering from blackout disorders, goes on a romantic journey to a hill station with his girlfriend Nita, trying to spend some quality time . On the way, he stays at the Vasantha Mullai Motel. The events that unfold in a single night drive Rudhra insane and take him on a roller coaster ride.
Unfortunately the movie Vasantha Mullai is not yet available on HBO Max.
| Camera | Gopi Amarnath | Director of Photography |
| Sound | Rajesh Murugesan | Original Music Composer |
| Directing | Ramanan Purushothama | Director |
| Production | Reshmi Menon | Producer |
| Production | Rajani Talluri | Producer |
| Editing | Vivek Harshan | Editor |
| Camera | Sri Balaji | Still Photographer |
| Production | Tuney John | Publicist |
| Costume & Make-Up | N. K. Nandini | Costume Designer |
| Costume & Make-Up | Raksha Ravikumar | Costume Designer |
| Costume & Make-Up | Ramakrishnan | Costumer |
| Editing | Sethu Selvam | Colorist |
| Production | R P Balagopi | Production Executive |
| Production | T.P. Ragu | Production Manager |
| Production | Jeyagar Viswanathan | Production Manager |
| Directing | R. D. Karthik | Co-Director |
| Crew | M. Sherif | Choreographer |
| Crew | Viji Satish | Choreographer |
| Crew | Stunner Sam | Fight Choreographer |
| Crew | Stunt Silva | Fight Choreographer |
| Art | R. K. Nagaraj | Production Design |
| Sound | Tapas Nayak | Sound Designer |
| Writing | Ponnivalavan | Dialogue |
| Crew | Ponnivalavan | Additional Writing |
| Writing | Viveka | Lyricist |
| Writing | Vivek | Lyricist |
| Writing | Karthik Netha | Lyricist |
| Writing | Arivu | Lyricist |
| Crew | Yuvraaj | Public Relations |
| Crew | R. Jayakumar | Production Controller |
| Production | Sri Balaji | Line Producer |
| Writing | Ramanan Purushothama | Story |
| Writing | Ramanan Purushothama | Screenplay |
