Amu, who had been missing for the past four years, suddenly returns to Mumbai one day and calls Vaidu, the woman he once deeply loved, from a public phone booth. Vaidu is shocked to hear his voice after so many years, as everyone had believed he was dead. Through their conversation on the phone, the story of their deep yet unfulfilled relationship, the upheavals in both their lives after separation, their incomplete dreams, and Amu 's incredible journey during those years gradually come to light.