A contemporary protagonist struggling with PTSD, stemming from a traumatic event in Manhattan. Her journey of healing and reconnection with her cultural roots is mirrored through her relationship with her grandmother and her own culinary discoveries.

A resilient supporting character who aids Yi-ping in her search for her daughter. She contends with personal abuse, demonstrating tremendous courage and resourcefulness in her quest to reclaim autonomy for herself and her children.

Introduced posthumously through his journal, providing key insights into the family’s history. His decisions during a time of political upheaval hold lasting impact on his descendants and the novel’s unfolding revelations.

The novel’s static antagonist, known for his patriarchal and oppressive nature. His actions reflect the era’s familial and political tyranny, serving as the catalyst for much of the conflict and trauma experienced by other characters.

Known as both Yili and Sue, she is the titular fourth daughter whose early life experiences propel her family's ongoing story. Her peaceful demeanor upon reunion with her family signifies the potential for reconciliation and healing.

Holds the secrets of the Huang family and acts as a link between the novel's two central families. Her character evolves from initial hostility towards eventual empathy and understanding.

A psychotherapist and supportive figure in Liv’s life, offering emotional stability and understanding. His familial connections play a crucial role in unearthing significant truths, bridging gaps between past and present in the narrative.