Description Siena Cherson Siegel dreamed of being a ballerina. Her love of movement and dedication to the craft earned her a spot at the School of American Ballet.. Siena has worked hard her whole life to be a professional ballet dancer, then makes the difficult decision to quit dancing and tries to figure out what comes next. But what do you do when you have spent your entire life working toward a goal, having that shape your identity, and then decide it's time to move on? How do you figure out what to do with your life? And how do you figure out who you are?