Do Ajnabee (2023)

Gaurav Arora, an engineer, invents an electric car design that starts with just a switch, garnering interest from a company's CEO who wants full rights to the design. Despite numerous proposals, Gaurav refuses, opting for royalties. Meanwhile, he meets Myra on Instagram, and they marry. The CEO, desperate to acquire the design, enlists an employee, Vansh, promising him money for his brother's surgery. Vansh murders Gaurav, and the CEO covers it up as an accident. Myra, after reading diaries, kills Vansh. In a surprising twist, Myra orchestrates the entire plan, obtaining evidence from the police to prove Gaurav's murder was planned.