Pradeep and Nikitha are a couple who think that they know each other very well and are planning to get married. Nikitha`s father asks them, how well do they really know each other, and forces them to exchange their phones for just one day. The young couple are worried that their secrets may be out, and they are also tempted to check each other`s phone. This may jeopardise their impending marriage, if they still want to get married to each other.