"A Long Way Down" is a novel by Nick Hornby that tells the story of four strangers who meet on a rooftop on New Year's Eve, each planning to commit suicide. Instead of going through with their plans, they form an unexpected bond and decide to spend the night together, sharing their personal struggles and stories. As the night unfolds, the characters—Martin, Maureen, Jess, and JJ—begin to confront their issues and find solace in each other's company. The book explores themes of loneliness, hope, and the complexities of life, ultimately highlighting the importance of connection and support in overcoming despair.