Aparichithan movie revolves around three college girls who are very close friends. Meenakshi (Kavya), Devi (Manya) and Simi (Karthika) are very good friends. Once they get caught for stealing the question papers for the exam and were expelled from the college. As they did not want to go home.

Hari's and Ganga's mobile phones got exchanged accidently and they started getting misleading calls....