Jez Butterworth’s new play, ‘The Hills of California,’ follows a family of sisters navigating the complexities of their mother’s fading dream of musical stardom and the consequences of her past decisions. Set against the backdrop of 1950s Blackpool and its fading seaside glory, the play delves into themes of ambition, family dynamics, and the passage of time. Through poignant dialogue and a multi-layered narrative, Butterworth explores the intricate relationships within a family and the lasting impact of choices made in the pursuit of dreams.