A woman's seaside vacation takes a dark turn when her obsession with a young mother forces her to confront secrets from her past.
Olivia Colman
Leda Caruso
Jessie Buckley
Young Leda Caruso
Dakota Johnson
Nina
Ed Harris
Lyle
Paul Mescal
Will
Peter Sarsgaard
Professor Hardy
Dagmara Dominczyk
Callie
Jack Farthing
Joe
