Elango and his friend Pulivetti Arumugam come in possession of a time machine and start profiting from it. However, their meddling with time prevents the death of a gangster, who begins to wreck havoc in their lives.
A young man, who has lost everything because of the selfishness and greed of others, must find out the truth about his father and clear his father's name.
Oru modhal oru kadhal is a story of a guy (Vivek Rajgopal), who falls in love with a girl, and their trouble-filled journey from Chennai to Bangalore to Delhi giving troubles to his friends and family portrayed hilariously.