2020. Mumbai???a fetid city, full of crime and violence. Rising above it, a flattened obelisk of polished black granite, stands the Rustomji Group???s imposing headquarters???the One World Tower. And at its very tip, is Babylon, Vishnu Rustomji Mistry???s famous garden on top of the tallest building in Mumbai???the centre of its wealth and power. It???s the day the flamboyant billionaire will make his big announcement. Yet, it???ll be one of the few days in the year when his won???t be the biggest story.It???s the day a letter will be found that could change the meaning of everything. A simple letter, signed ???The People???s Guardian???, which threatens the Chief Minister with dire consequences.When model-turned-newscaster Tara and rookie journalist Sudhir Navkar stumble upon clues about this possible vigilante, they are led on a breadcrumb trail from the eerie slums of gangland Mumbai to the high-rise towers of SoBo.As the two of them try desperately to solve the mystery, they begin to uncover a frightening conspiracy that threatens to cast a shadow on the entire nation, and on their lives. In a choice between love, life, and their karm, will they have the courage to pursue the truth?