Roselle Aiko Ebrada was involved in an accident that could change her life. The former life of luxury suddenly disappeared in an instant. But she did not expect that it would be the way for her to meet the person who would make her feel how to live, even on the brink of death. She met her Soul guardian named Nidonia a newly promoted soul guardian, A soul guardian's mission is to guide a soul with their 40 days mission before going to the afterlife, but little did he know he will be handling two souls in his first ever mission. Zerden Cervantes, A young businessman who caused huge trouble to Roselle's life was accidentally got comatose because of a car accident, became soul, and the second soul that Nido will guide. Two souls in one guardian mean trouble, two souls in one guardian mean tragic. What will happen to their forty-days mission as a lost soul? The strong will return to life, the weak will cross to the afterlife.