Working as a tutor for a farming family, William (Paul Mescal) is distracted by his students’ older sister, Agnes (Jessie Buckley), a woman with a deep connection to nature.  Courting her, the two eventually marry and have three children: Susanna (Bodhi Rae Breathnach), Judith (Olivia Lynes), and Hamnet (Jacobi Jupe).  Without work, William spends long stretches…