"Chasing Harry Winston" is a novel by Lauren Weisberger that follows the lives of two best friends, Emmy and Leigh, as they navigate love, friendship, and the pursuit of happiness in New York City. The story explores their contrasting personalities and desires, particularly in relation to relationships and career aspirations. The title refers to the iconic Harry Winston jewelry brand, symbolizing the characters' dreams of luxury and success. As they face various challenges, including romantic entanglements and personal growth, the novel delves into themes of self-discovery and the importance of true friendship amidst the glitz and glamour of their lives.