A Westerner finds refuge with a group of women in a church during Japan's rape of Nanking in 1937. Posing as a priest, he attempts to lead the women to safety.
Eccentric medical examiner Qin Ming, police detective Lin Tao and assistant medical examiner Chen Shiyu team up to find a mysterious killer known only as the 'Scavenger', who specifically targets the wanderers and misfits of the city.
