2002. Twin sisters Madeline and Chelsea Stone are joint stars of the AtomicKids sitcom Double Trouble, but everyone knows it s Maddie who shines most brightly. Until Chelsea beats her sister out for the role of a lifetime and is catapulted into the spotlight. And just as Chelsea s star reaches impossible new heights, Maddie disappears. 2025. Chelsea Stone retired from acting after her sister s disappearance but living life under the radar is easier said than done when you re the most famous woman of your generation. When a storage locker is found containing heart-breaking truths about the year Maddie went missing, Chelsea feels a flicker of hope for the first time in twenty years. This is her chance to discover what really happened to her twin, but to follow the trail she ll have to face the past and step back into the spotlight ...