Four guards dead in a bank basement. Their killer roams free for the next thirty years. Tasked with solving a decades-old cold case, Arielle Lucila and her team of Angels return for their next mission. Only this time, their training and expertise add little value. Each Angel faces obstacles as the past pushes back with a fury. In a desperate race against time, the three must work together to overcome the constant turmoil thrown their way at every turn. Can they beat the odds and serve a long overdue justice, or will the killer escape for a second time?