Nishan

Sarat Varma (Nishan) returns to India after a 3-year stint in the US to reunite with his childhood friends Varsha John (Rima Kallingal) & Sunny Immatty (Asif Ali) & together they join a start-up IT company. Sarat still reminisced their adolescent dreams & wanted to follow through with them, but gradually realizes that his friends have changed over the years, like seasons change & no longer cherished the same memories he did.

When Roopesh (Nishan) falls hard for his collegemate Nancy (Nithya Menon), his best friend Tommy (Asif Ali) helps him out & brings the two together. However, when Nancy's millionaire dad Philipose Melipra arranges her marriage with someone else, Tommy coaxes them to get married without daddy's consent. However, after the marriage, Nancy learns to her utter dismay that Roopesh & Tommy are not the poor souls she thought them to be.

Three friends - Vinod Kumar (Asif Ali), Santosh George (Nishan) & Kochumon (Abhishek Raveendran) - go through a lot of personal sacrifices to unite their friend Mahesh (Vineeth Kumar) & his lover Aishwarya (Amala Paul), but after learning that the couple separated just after a few days of fun & frolic, they decide to take their anger out by killing them.

Pavi (Nishan) & his 4 friends lead a lazy life, much to the annoyance of their parents. Pavi dreams of becoming a director some day, while the rest of them play truant at their existing jobs. Pavi meets Maya (Mithra Kurian) & a string of spats ensue, which climaxes in Pavi announcing his "love" to Maya in front of her family on the day of her betrothal, to get back at her. But to Pavi's surprise, Maya walks out of her home with Pavi & Pavi is forced to marry her.

The lives of different characters from different strata of the society gets interlinked around a series of murders which happen in the city - the poor toy-seller Vishnu (Indrajith), the frustrated house-wife Madhuri (Tanu Roy), her impotent husband Ajay (V.G. Muralikrishnan), the journalist Rupa (Lena), the narcissistic Police Commissioner Tom Cherian (Anoop Menon) investigating the serial murders & Rustham (Nishan), a North Indian porn actor looking to entrap Madhuri for a sex video.

Car salesman Alby (Nishan) who is married to Ann (Mrudula Murali), an RJ, gets his tranquil life turned upside down when he runs into his ex-flame Nimmy (Sivadas). Soon after, Nimmy is abandoned by her husband Vishnu (Kailash) after he suspects her of an affair with Alby. Alby is forced to take her to a hotel, where they share a room together. The next morning, Nimmy is found dead. Alby panics & runs away, but subsequently receives a phone call from a stranger who starts to control his life.

Anjali (Keerthi Suresh), a Bombay-based reporter, returns to her ancestral home of Arakkal with her boyfriend Anoop (Nishan), after her mom Annamma has a bad fall & is hospitalized. At Arakkal, which has the bad reputation of being a haunted house, where Anjali's twin sister Geetha (Keerthi Suresh) had an unnatural death, Anjali starts to claim that Geetha's ghost was haunting her. Frustrated, Anoop seeks the help of Dr. Sunny Joseph (Mohanlal, reprising his character from 'Manichithrathazhu').

A love triangle involving young painter Esha (Elham Mirza), Interpol detective Siddarth (Nishan), & professional hitman Ajay (Rahman), set in Bangkok. Ajay falls in love with Esha & sends her lavender flowers everyday, while keeping himself away from her eyes. Esha meanwhile, mistakes Siddarth to be her secret admirer & they start a relationship, much to Ajay's sorrow. Later, the criminal gang Ajay works for, Black Tulips, contracts Ajay to kill Siddarth, complicating matters for him.

Strange events unfold in a monkey-inhabited village, prompting a newlywed pair and forest officials to embark on a mission to uncover the root cause of the peculiar disturbances.