Amidst the sprawling metropolis of Tokyo, where neon lights paint the night sky and the pulse of innovation never sleeps, Hiro, a visionary robotics engineer, grapples with the ethical implications of his work with Hana, a compassionate psychologist who champions human connection. As they navigate the complexities of artificial intelligence and its impact on society, their relationship blossoms, questioning the definition of humanity in a world of accelerating progress.