Struggling actress Mia (Emma Stone) and aspiring jazz pianist Sebastian (Ryan Gosling) begin a whirlwind romance as they both pursue their dreams in Los Angeles. However, their blossoming relationship is challenged when their careers pull them in different directions. Damien Chazelle (Whiplash) wrote and directed this musical love story, which co-stars John Legend, J.K. Simmons, and Rosemarie DeWitt.