Detective is a 2007 Indian Malayalam-language suspense thriller film directed by Jeethu Joseph in his directoral debut.

[3][4] Rashmi is found dead under mysterious circumstances and her death is reportedly declared a suicide.

Rashmi's family is in a deep sorrow and her father Prabhakaran Thampi blames his son-in-law Mohan Kumar, a bold politician, for his daughter's death.

SP James Joseph convinced everyone of Mohan being the culprit and arrests him briefly.

John Samuel and James decide to get rid of Shyam and send some goons in order to finish him off.

The crowd begin having doubts, on how a simple man like Sumesh could kill his own girlfriend.

But shortly, he visits her in order to deliver milk and overhears her conversation with her parents.

So in order to seek revenge, Sumesh decided to kill Rashmi after she married Mohan.

Sumesh waited for his chance and brought the required tools along with a bottle of strong poison with him.

Subsequently, he had climbed up a ladder to reach the ventilator and attached some pieces of plastic pipes after tying a thread on its end.

The police arrests Sumesh and the DGP and Chief Minister appreciate Shyam while Rashmi's family apologizes to Mohan as his innocence was proven.