Rahul (Nithiin) falls in love with Priya (Nithya Menen) at first sight. They alight a flight to Hyderabad, which is diverted to Goa due to bad weather, where they fall in love. At Hyderabad, Priya's brother Shiva (Ajay) enters the scene and it is revealed that Shiva and Rahul have a bad past. If and how Shiva accepts the relationship between Priya and Rahul forms the plot of Ishq.
