As a teenager, Stephanie Patrick (Blake Lively) was a rebel who always resisted her parents – and even canceled a long trip to Europe, leaving her family to board the plane alone. This moment should change her life forever. Because when the plane flew over the Atlantic Ocean, it exploded. Since then, they have been plagued by immense guilt, but she has also learned to survive alone. One day she finds herself facing the misfortune again when she learns that her family’s death was not an accidental accident, but an assassination attempt. From then on she knows only one thought: revenge. The mysterious secret organization Magenta House is supposed to help her, secretly, quietly and silently killing terrorists around the world before they may be arrested and used as a stage for a major trial. But the new life as a killing agent has its own price .