High Fidelity is a novel by British author Nick Hornby, first published in 1995. The story follows the life of Rob Fleming, a record store owner in London who is struggling with his failing relationships and his obsession with music.
Rob's life takes a turn when his girlfriend Laura leaves him for another man. This event prompts Rob to reflect on his past relationships and his own shortcomings. He begins to revisit his "Top 5" breakups and tries to understand why they failed.
As Rob navigates through his memories and relationships, he starts to realize that he may be the common denominator in all his failed romances. He must confront his fear of commitment and his tendency to sabotage his own happiness.
Throughout the novel, Rob's love for music serves as a backdrop to his personal struggles. He uses music as a way to connect with others and make sense of his own emotions. In the end, Rob must come to terms with his past mistakes and learn to take responsibility for his actions if he wants to find true happiness.