Following the disappearance of her mum, 10-year- old Aniyah suddenly finds herself living in foster care. With her life in disarray, she knows just one thing for sure: her mum isn't gone forever. Because people with the brightest hearts never truly leave. They become stars.

So when a new star is spotted acting strangely in the sky, Aniyah is sure it's her mum, and she embarks on the adventure of a lifetime to make sure everyone else knows too -- an adventure that involves breaking into the Royal Observatory of London, a mischievous scurry of squirrels and the biggest star in Hollywood...