Anchored by a deeply affecting central performance, the film follows Agnes Shakespeare as she navigates the rhythms of rural family life while carrying a private, intuitive bond with her son Hamnet. When sudden tragedy strikes, the fragile architecture of love, marriage, and creative ambition begins to shift, as grief settles into every corner of the household and quietly reshapes the future.

With lyrical restraint and emotional clarity, Hamnet unfolds as both an intimate family portrait and a meditation on how loss is transformed into art. Balancing tenderness with devastation, the film traces the invisible threads between memory and creation, asking how love endures—and how sorrow can echo across generations.