The show opens in 1990s Mumbai, framing it as a hub of immense wealth and deception. Niraj Bodi arrives from Gujarat as an ordinary, quiet young man. He is taken under the wing of his uncle, Varad Shah, the reigning "Diamond King" of the Surat and Mumbai trades. Niraj learns how diamonds are cut, polished, and valued. He quickly shows an aggressive knack for changing how the traditional market operates.