Female minor character, Old Lady Cai's daughter. She ran away from home, stealing what Su Wanwan believed was her family's entire savings of about fifteen taels. Old Lady Cai claimed thirty taels were stolen. Cai Die had already been sold to a village drunkard named Luo as a wife before she ran off. Su Wanwan suspects Old Lady Cai treated Cai Die harshly, worse than a stepmother, which drove her away.
