Son made her debut in a 1990s cosmetics advertisement at the age of 19. She subsequently made her acting debut as the female lead in the MBC drama series "Delicious Propose," in 2001. Emerging as the "icon of first love," Son quickly rose to fame with romance films "Lover's Concerto," (2002) and "The Classic," (2003). Afterwards, she received recognition for more diverse leading roles like in the historical drama film "The Last Princess," (2016) and thriller film "The Negotiation," (2018). On television, she has remained the queen of melodramas and rom-coms, starring in JTBC's hits series "Something in the Rain," (2018) and "Crash Landing on You," (2019).