A girl‘s drink is poisoned when she is out with her boyfriend. Her boyfriend is later arrested .The girl, Madhusree used to visit a ladies hostel and the girl was in love with the spastic son of the landlady. The boyfriend Rajesh gets a detective and his partner to act as his brother and brother’s wife in order to stay in the house called 1 Palm Villa where the girls stay and it is also a hostel. On staying there the detective Arjun discovers that the spastic son was not actually a spastic and was made to be one. The family doctor used to give him medicines in order to make him all right without Amma, his grandmother and the landlady of the house realizing anything as she wanted him to be like that and could not bear anyone taking him away from that.A few more people like the madwoman and her daughter Rani who had entered the house to take revenge on her mother’s behalf (her mother used to work in that house once upon that time and had been asked to leave on charges of theft) are silenced. The murderer can not be traced. Dona, one of the girls staying there loves Rajababu (the spastic boy) but is unable he is normal. The detective makes a plan. One day Dona confronts Rajababu and asks him to go away with her. He gets excited and the doctor also arrives at that time. Within minutes, the murderers approaches Rajababu in order to kill him and she is caught as she is none other than Amma who wanted to silence Dona as she couldn’t bear to see anyone take Rajababu away from her. She was also responsible for Madhusree’s death.