In Kochi, Ray Mathews is an up-and-coming pianist who fakes being blind to improve his piano skills. While crossing the street, he is knocked over by Anna. She takes care of Ray and soon they begin an intimate romantic relationship. Anna is impressed by Ray’s talent and gets him an engagement at her father’s diner. At the diner, a retired actor, Udaykumar, notices Ray and invites him to perform for his wedding anniversary. Ray arrives at Uday’s flat and his wife Simi opens the door. Simi, convinced that Ray is blind, lets him play the piano. Ray sees Uday’s dead body nearby but feigns ignorance and continues to play; he also sees Dinesh, Simi’s paramour, hiding in the bathroom. Simi and Dinesh clean the body and stuff it into a suitcase while Ray plays.
Ray tries to report the murder to the police, but discovers that Dinesh is a police inspector. Meanwhile, Simi overhears her elderly neighbor, Mrs. Dicotta, talking to a police officer about Uday’s murder. Simi later kills Mrs. Dicotta by pushing her off the ledge of their apartment. Ray sees the murder but is forced to continue feigning blindness. Later when Simi brings poisonous offerings for him after her husband’s last rites and pulls out a gun, Ray admits to faking his blindness as an experiment to help his piano playing and living a cheap life. He says he will leave for London and will keep Simi’s secret, but she drugs him.
A neighbor’s child, suspicious of Ray’s blindness, records a video of Ray fully able to see and shows it to Anna. As she arrives, Simi arranges things to look like she and Ray are together. Furious and heartbroken, Anna leaves Ray. When he wakes up, he realizes he has been blinded from the drug Simi gave him. Dinesh comes to Ray’s home to kill him. Ray barely escapes, but he faints after hitting a telephone pole.