Tiffany “Rex” Simpson (Emma Roberts) has always dreamed of going to space, but her life isn’t unfolding as planned. Determined to change her course, she sets her sights high. With a bit of creative help from her supportive best friend Nadine (Poppy Liu), her embellished application gets her into NASA’s highly competitive astronaut training program. Overwhelmed but undeterred, Rex relies on her quick wits, courage, and determination to rise to the top of her class. NASA program directors Pam (Gabrielle Union) and Logan (Tom Hopper) take notice, but can this Florida girl complete her training and reach the stars before her secret is revealed?