The Decade-Long Friendship Between Tully Hart and Kate Mularkey in Firefly Lane

Tully Hart and Kate Mularkey are two girls with opposite personalities who are attached to each other for decades, from childhood to adulthood. Their story is told through different timelines, from the 1970s when they first met, to adulthood with many challenges, tragedies and happy moments.

Adolescence (1970s) – The Beginning of Friendship
Tully is a beautiful, strong, ambitious girl, but grew up in a dysfunctional family. Her mother, Cloud, is an addict and often abandoned her daughter. In contrast, Kate is an introverted, shy girl, who grew up in a warm family but felt overshadowed by everyone around her.

Despite their different personalities, they become close friends after Tully moves to live on Firefly Lane, the street where Kate lives. They share their dreams, secrets, and promise to always be together.

Youth (1980s – 1990s) – Career and love
As an adult, Tully pursues his dream of becoming a television reporter, becoming a celebrity with a brilliant career. Meanwhile, Kate chooses a more peaceful life, working as an editor and then becoming a full-time wife and mother.

Despite their different lives, they are always there for each other. However, their friendship is tested when love and career come into play. Kate falls in love with Johnny Ryan, a handsome journalist they both used to know. Kate and Johnny’s relationship grows stronger, while Tully still feels lonely despite her successful career.

Katherine Heigl: The Everyday Life of a Talented Actress

Katherine Heigl, star of Grey’s Anatomy and Firefly Lane, has not only a successful career but also a meaningful personal life. She is married to singer Josh Kelley and has three children, two of whom are adopted.

Heigl chooses a simple life on a farm in Utah, where she takes care of her family and animals. In addition, she actively participates in charity activities, especially animal protection and child support. Although she still acts, she prioritizes the balance between work and family, showing a kind heart and a simple lifestyle.

Sarah Chalke: A Simple, Meaningful Life

Aside from her successful acting career with Scrubs, How I Met Your Mother and Firefly Lane, Sarah Chalke lives a simple life with her fiancé Jamie Afifi and two children. She is particularly interested in children’s health, actively raising awareness about food allergies after her son was diagnosed with a rare disease.

Although she still participates in film projects and voiceovers (Rick and Morty), Chalke prioritizes family and charity work, living a balanced and meaningful life, away from the glitz of Hollywood.

Later years – Crack and Fix
Although they are always there for each other, Tully and Kate have a serious rift when Tully accidentally hurts Kate on television. This causes them to be apart for many years.

However, when Kate discovers she has cancer, Tully returns and cares for her best friend in her final days. Together, they face the pain and cherish every moment they have left.

Tully and Kate’s friendship in Firefly Lane comes to an emotional end when Kate dies of cancer. Although they had been on bad terms for many years, their deep love and bond help them mend their ways in Kate’s final days.

After Kate’s passing, Tully must learn to move on without her best friend. She cherishes the memories they shared and gradually finds new meaning in life. Kristin Hannah’s Firefly Lane has a sequel called Fly Away, which focuses on Tully dealing with her loss and her journey to find herself after Kate’s death.

The Netflix series Firefly Lane also ended with a similar ending, with no plans for a sequel. Thus, Tully and Kate’s story ends with loss but also with love and beautiful memories, emphasizing the value of eternal friendship.

Message of Firefly Lane
The film and novel not only talk about friendship but also promote the value of forgiveness, love and small but precious moments in life. Despite misunderstandings and distance, true friendship can overcome all challenges.

Emotional ending
Kate passes away, leaving behind letters and messages to Tully, reminding her of their eternal friendship. Despite losing Kate, Tully learns to love herself and cherish the memories they had.

​”Firefly Lane: The Final Chapter” is not a new film scheduled to be released in 2025. Instead, it is the title of the final season of the Netflix series “Firefly Lane,” which was released in 2023. The series, based on the novel of the same name by Kristin Hannah, follows the decades-long friendship between Tully Hart and Kate Mularkey. The final season of the series was split into two parts: the first nine episodes premiered in December 2022, and the final seven episodes were released on April 27, 2023. ​

Firefly Lane (2023) Netflix Series Review | Season 2 Part 2

The use of the phrase “The Final Chapter” in the title could have been misleading, suggesting that there would be a new film in 2025. However, the series ended in 2023 with this final season, and there is currently no word on a sequel being produced.