The pre-release buzz around Mani Ratnam's O Kadhal Kanmani was that it is a sequel to Alaipayuthey and while the maker has denied this, nonetheless, the film does feel like a spiritual cousin to the earlier film. The circumstances that led to the films couldn't have been any similar. At the time he made Alaipayuthey, Mani Ratnam had delivered a couple of films (Iruvar, Dil Se) that did not work atver mais...