Joel Krosnick: What To Play Next? is a documentary portrait of cellist Joel Krosnick as he retires from the famed Juilliard String Quartet. Captured over the course of two years, the film visits with Krosnick as he plays with and mentors the next generation of players, both at the Juilliard School in New York and at the Royal Conservatory in Toronto. With grace, humour and a passion for music that is as strong as ever, Krosnick looks back at his career as he begins a new chapter in his life.