Trigger gives importance to new comers also. The story is about Adityan who lost his parents in his childhood after their murder. As he reaches in his teenage his aim was to take revenge on his parents' murderer. One day he meets Bhama, a lone girl in the street, who is seeking a safe place to get rid of the hooligans. Aditya tries to save her from the situation.
Manu Mohit dons the role of Adityan and Manasa as Bhama. R.Deepak is wielding the camera. Lyrics are by Vayalar Sarat Chandra Varma and Rafeeq Ahmed. Music has been scored by Rajesh Mohan. Others in the cast include Rajeev Govind, Rajan P.Dev, Sreenath, Biju Kuttan, Kiran Raj, Padannayil, Roshna, Urmila Unni and others.
The shoot of action-crime-thriller Trigger began at Thiruvananthapurm, in which Tamil film actor Sathyaraj is making his debut in Malayalam. Manasa is the heroine. The film is directed by Prasad Yadav. Under the banner of 4M, Sujit Varghese is producing the film.