Love, Theoretically is a witty, slow-burn romance set in the competitive world of academia. The story follows Elsie Hannaway, a brilliant theoretical physicist who moonlights as a fake girlfriend to make ends meet. When a career opportunity places her face-to-face with Jack Smith, a grumpy, intimidating experimental physicist—and her client’s older brother—sparks fly both in the lab and in life. Jack challenges Elsie’s carefully constructed world, pushing her to confront not only her career ambitions but also her true self. As professional rivalry turns into undeniable chemistry, Elsie must balance logic with love and decide what’s worth fighting for. It’s a charming blend of fake dating, rivals-to-lovers, and STEM romance, wrapped in Hazelwood’s signature humor and emotional depth.