John Luther is a 2022 Indian Malayalam-language crime thriller film directed by Abhijith Joseph in his directorial debut and stars Jayasurya in the lead role.

His sister Leena is having an engagement ceremony but as usual he is late as he is a committed workaholic police officer who always gives primary importance to his duty.

John is in charge of the investigation of a motorbike accident that happened the night before where the driver Prakashan died on the spot but the pillion rider is missing.

Using CCTV visuals and photographs taken by the passengers of the bus on which the body fell, they identify the pickup truck which hit the bike.

John notices a pickup truck that was on the spot of the first crime scene which did not have number plate on its side.

He was a bright medical student who passed MBBS with a rank, but was debarred for practicing medicine during his house surgency thereby accidentally killing a girl who was his patient.

By that time, Prasad manages to make John's colleague ASI Rajan unconscious and starts performing surgery on him.

[7] S.R.Praveen of The Hindu mentioned that "the film is an evenly paced thriller that falters only in the last act, in an attempt to deliver a shocking twist".

[12] Princy Alexander of Manoramaonline.com stated that "the movie began promisingly, but wastes a lot of time trying to find closure, thus resulting in a lag product, despite a decent number of twists and turns.