"The Dangerous Age" is a reflective epistolary novel that delves into the emotional and psychological journey of a middle-aged woman who, upon reaching her forties, confronts the societal pressures and personal disillusionments that come with aging. Through a series of candid letters, she shares her experiences of estrangement from her husband, the challenges of maintaining her identity and desires, and her struggle to navigate the expectations placed upon women of her age. The protagonist's introspective correspondence reveals the inner turmoil and liberation that accompany her quest for self-discovery and authenticity in a world that often marginalizes women as they grow older.

This novel is a poignant exploration of friendship, love, and the human spirit set against the backdrop of 1980s South Korea, a time of intense political turmoil. Through the eyes of a young woman named Jung Yoon, the narrative delves into the profound connections she forms with her friends amidst the societal upheaval. As they navigate their way through personal loss, political activism, and the trials of young adulthood, the story beautifully captures the essence of relying on one another during times of distress. The novel is a testament to the enduring power of human connection and the ways in which it can provide solace and strength in the face of adversity.