Western Lane by Chetna Maroo follows the story of Gopi, Mona, and Khush, three sisters growing up in a multicultural household in London. Their mother has passed away, and they live with their father, Pa. The novel delves into their lives, relationships, and cultural experiences, particularly through their involvement in squash. In the early chapters, Gopi, the youngest sister, takes the lead in introducing her family. The sisters' Indian heritage is a significant aspect of their lives, as they navigate the complexities of cultural integration while living in a Western society. Gopi, Mona, and Khush develop a strong bond with each other, sharing their fears, aspirations, and challenges.

As the story progresses, their interest in squash becomes a central focus. The sisters join a squash club on Western Lane, and under their father's guidance, they begin practicing and improving their skills. This shared passion for squash creates a unifying force among the sisters, helping them cope with their mother's absence and find a sense of purpose. Gopi's talent in squash becomes evident, surpassing that of her sisters. Pa encourages the other two sisters to improve their game to challenge Gopi's skills. Gopi's dedication and natural talent catch the attention of Ged, another squash player, and they form a close bond. Pa's connection with Ged's mother, Linda, hints at a potential romantic relationship.

As winter transitions to spring, Gopi and Ged continue practicing together, and Pa introduces them to Maqsud, a Pakistani squash player. Maqsud and Pa become mentors to Gopi and Ged. Maqsud's nephew, Shaan, also joins their training sessions, leading to Mona developing a crush on him. Financial struggles affect the family, leading Mona to take on multiple jobs, including bookkeeping. Despite their challenges, Mona's generosity and determination make a significant impact on her sisters' lives. Mona, Khush, and Gopi spend a memorable day together, highlighting their newfound financial independence and sisterly bond.

The novel explores the tensions and complexities of cultural identity within the family and the larger Gujarati community. While Gopi, Mona, and Khush are committed to squash, Aunt Ranjan disapproves of the sport, leading to conflicts within the family. The sisters' passion for squash also challenges traditional gender roles, adding to the cultural tensions they face. As the story unfolds, Gopi's relationship with Ged deepens, but they face obstacles, including Linda's opposition to their friendship. Gopi's love for squash grows, and she sets her sights on the Durham and Cleveland tournament. However, financial constraints threaten her participation. Pa's support and determination ensure that Gopi can pursue her dream.

Uncle Pavan and Aunt Ranjan arrive unexpectedly, and Gopi's life takes an unexpected turn. Uncle Pavan suggests that Gopi live with them in Edinburgh, where she can continue her education and squash training. Despite her sisters' pleas, Gopi decides to go, believing it will provide her with new opportunities. Gopi's move to Edinburgh marks a turning point in the novel. She must adapt to a new environment, navigate her relationship with her aunt and uncle, and continue pursuing her passion for squash. With Uncle Pavan's support, Gopi gains permission to participate in the Durham and Cleveland tournament. The climax of the story centers on the tournament. Gopi's talent shines as she competes and wins, symbolizing her personal growth and determination. Her success also reflects the theme of overcoming adversity and cultural expectations.

In the novel's resolution, Gopi's relationship with Ged remains strong, and Aunt Ranjan agrees to support her involvement in squash. The novel concludes with Gopi's journey towards self-discovery, as she embraces her passion for squash while navigating the complexities of her multicultural identity and family dynamics. Western Lane is a poignant exploration of family bonds, cultural identity, and the power of shared passions. Through the lens of squash, the novel delves into the characters' growth, challenges, and triumphs, ultimately highlighting the resilience of the human spirit in the face of adversity.