In this gripping dystopian thriller, a seemingly idyllic family's 25th anniversary party marks the beginning of a downward spiral into destruction and chaos. As Ellen's former student Liz, now a radical thinker with a bestselling book, infiltrates their lives, the Taylors' perfect facade crumbles under the weight of socio-political ideologies. With a luxury cast delivering memorable performances, Anniversary subverts expectations with powerful twists and an atmosphere of growing discomfort that lingers long after the credits roll.