Extreme poverty wasn't the only impediment in seven-year-old Kalki's life. Her pitch-black dark skin exacerbated her plight, making her a centre of ridicule in her village. Believing he's the cause of his sister's affliction, Karthi joins Kalki's side as they become consumed with ways to whiten her skin. But the determined siblings invite more trouble and lose their mother's life savings. Their journey to retrieve the money brings together a mysterious ally, an exotic festival, a divine intervention and a con artist changing their destinies in ways no one could have predicted.
