A young, inexperienced woman falls in love with the wealthy and brooding widower Maxim de Winter while working as a paid companion in Monte Carlo. After a whirlwind romance, they marry and she moves to Manderley, his expansive family estate in England. Upon arrival, she finds herself overshadowed by the lingering presence of Maxim's previous wife, Rebecca, whose memory is meticulously preserved by the housekeeper, Mrs. Danvers. The new Mrs. de Winter struggles to assert herself, haunted by Rebecca's legacy, which seems to pervade every corner of her new home.

As she navigates her new life at Manderley, she encounters various obstacles including the imposing Mrs. Danvers, who remains fiercely loyal to Rebecca and subtly undermines her at every turn. The new bride's insecurities grow, fueled by the mysterious circumstances surrounding Rebecca's untimely death. Tensions rise as secrets about the past begin to surface, leading to shocking revelations that threaten to unravel everything.