The Daughtlers, a wealthy family living in a grand Manhattan mansion, are under constant threat from a group of assassins called the "Salvatores," who aim to kill them and access their secret safe. Caroline Daughtler, grieving the recent loss of her best friend and struggling with her pressuring career, excludes herself from all family matters. One day, she accidentally encounters "unstable" Rowan Katz, a member of the Salvatores. Despite their initial mistrust, they team up to seize the safe's fortune, igniting a perilous and violent struggle for wealth.