Book Review: The Quiet Sister by Alex Stone

The Quiet Sister is a story of siblings who don’t get along, something that I am sure many can relate to, although perhaps not to the extent of these sisters. This particular story is an intimate psychological thriller that digs deep into the shadows of sisterhood.

The Synopsis of The Quiet Sister

To outsiders, twins Mia and Chloe have always been close, like good sisters should be. But in private their relationship is one of jealousy, resentment and bitterness.

Popular and attractive Mia is always the centre of attention, loved by all. Quiet and reserved, Chloe is overlooked and underestimated, and has tried to build a life away from Mia and her manipulation. Finally she is happy and content.

But then Mia returns and makes it clear that she wants to be part of her sister’s life again, to have everything Chloe has…including her new fiancé Scott.

Chloe can’t allow Mia to ruin her life again. She’s done this too many times in the past – always taking things that don’t belong to her.

As old tensions, secrets and lies return, tragedy strikes. And one sister will use the opportunity to live the life she has always wanted…the life she has always deserved.

The Quiet Sister by Alex Stone

The Quiet Sister by Alex Stone

More about The Quiet Sister

The story centres around Chloe, who is the quiet sister when her life begins to unravel after her estranged twin, Mia, suddenly reappears after years apart. On the surface, Mia’s return seems heartfelt, a desire to reconnect with her sister; however, beneath the pleasantries, Chloe senses a darker motive.

As Mia worms her way into Chloe’s life, even showing a little too much interest in Chloe’s fiancé, the mask starts to slip. What begins as a hopeful reunion spirals into a chilling psychological tug-of-war, with long-buried family trauma surfacing at every turn.

Chloe is a passive, self-doubting wallflower forced to confront long-buried truths. Mia, in contrast, is charismatic, manipulative, and unpredictable. The contrast between the sisters is distinctive, but their shared history binds them together in a haunting, unbreakable way.

My Thoughts on The Quiet Sister

Alex Stone’s psychological thriller The Quiet Sister explores familial bonds, secrets, and the deep emotional scars of betrayal. The plot is layered with flashbacks to their childhood, which slowly reveals a pattern of manipulation, obsession, and unresolved trauma dating back decades.

This novel is slow-burning, and tension builds to a chilling crescendo as the reader experiences the world of a toxic sibling relationship, where silence speaks louder than words and could lead to deadly consequences.

The tone of the novel is foreboding, and the use of quiet suburbs, dimly lit interiors, and isolated childhood spaces only amplifies the feeling of emotional claustrophobia and causes the atmosphere to simmer until it finally boils over.

The Quiet Sister is an emotionally charged thriller that uses familiar tropes like the good twin/bad twin dynamic. The plot twists, however, are not overly shocking, and the story itself feels a little too slow at times. If you’ve ever had a complicated relationship with a sibling or wondered how family secrets can shape us, this is a novel to consider reading.

Have you read The Quiet Sister or any other novel by Alex Stone? 

I was gifted a copy of this novel as part of a ‘Rachel’s Random Resources‘ book blog tour, but as always, all views are my own.

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The Quiet Sister by Alex Stone, a book review via @tbookjunkie

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