A young girl is missing and a team of police officers is assigned with the case. Kabilan, a dynamic cop is just about to begin his investigation in order to find the missing girl. In the meanwhile, two girls are captured in an abandoned building and one of them is killed by someone in a mask. The episode is mysterious and sets us on the journey of unravelling a serious case and all the knots connected to it.
Kabilan is trying to identify who kidnapped Sujeetha and he comes across a tutor in the same institute. The whole episode revolves around Sujeetha and how her bond develops with the tutor. He gains her trust and eventually the two of them get into a relationship. The tutor warns and saves Sujeetha from the pervert watchman in her building. Things take a turn when Kabilan arrests the tutor and investigates him on the whereabouts of Sujatha.
The building watchman and Sujeetha are taken by the kidnapper and Kabilan gets a clear picture of it after seeing the CCTV footage. At the dungeon, the watchman finds the key while the kidnapper is away and gets to the room where Sujeetha is kept. He hands her the keys and before escaping, the kidnapper kills him brutally and Sujeetha is terrified.
Sujeetha tries her best to escape from the building while the kidnapper is also chasing her. Sujeetha is scared and has no clue where the exit is. She goes from room to room and tries all the keys when she remembers something that was once conveyed to her. On the other side, Kabilan and his team have finally cracked the information about the kidnap and they are all set to catch him.
Sujeetha escapes from the kidnapper with the help of police and is directly sent for medical treatment. While Sujeetha is away, Kabilan is welcomed with yet another shocking revelation. The killer is arrested but there is another missing case of a girl. Who did this? Kabilan establishes the fact that there are three brothers on the whole. One is in the hospital already and the other one is arrested but the third one is still outside.