Shakthi and Santhosh live together in Malaysia. They both fall in love with the same girl Lena. Eventually, Lena has to choose between them and she chooses Santhosh as he is wealthy. Mammootty comes to know of this and breaks off his engagement to her and walks away, feeling all good.
Unfortunately the movie Junior Senior is not yet available on HBO Max.
| Production | P. Loganathan | Producer |
| Directing | J. Suresh | Director |
| Writing | J. Suresh | Screenplay |
| Writing | J. Suresh | Story |
| Sound | Yuvan Shankar Raja | Original Music Composer |
| Writing | J. Suresh | Dialogue |
| Sound | P. Unnikrishnan | Playback Singer |
| Sound | Swarnalatha | Playback Singer |
| Sound | Tippu | Playback Singer |
| Sound | Vijay Yesudas | Playback Singer |
| Writing | Pa. Vijay | Lyricist |
| Sound | Premji Amaran | Playback Singer |
| Sound | Yuvan Shankar Raja | Playback Singer |
| Sound | S. P. Balasubramaniam | Playback Singer |
| Sound | Yugendran | Playback Singer |
