Ruhannah “Rue” Carew, an aspiring artist, learns a dark secret about her beloved father that shakes her world. Her heart is further broken when she discovers the deceit of Eddie Brandes, a charming but unscrupulous man who has been courting her. In the aftermath of these revelations, Rue finds herself adrift and uncertain of her future. Seeking solace and a new beginning, she embarks on a journey to Paris to pursue her artistic dreams, accompanied by her loyal friend Jim Neeland. As the eve of the Great War looms, Jim receives a mysterious message urging him to retrieve a wooden box containing enigmatic objects from Rue's childhood home. Unknowingly, he becomes entangled in a dangerous game as various parties, including the enigmatic Eddie and the troubled actress Ilse Dumont, desperately seek to possess the box. Amidst the chaos and uncertainty, the lives of Rue, Jim, Ilse, and Eddie intertwine in extraordinary ways, revealing the profound impact of a shared past marked by a 'dark star.'