The story focuses on Visually impaired but nonetheless lethal bounty hunter Cheng Xiazi who happened upon the assaulted Ni Yan, the lone survivor of a brutal massacre that claimed her whole family.
Followed by Ma Seok-do, who heads to a foreign country to extradite a suspect. However, he discovers additional murder cases and learns about a killer who had committed crimes against tourists for many years.
In a prison where inmates are fed on a descending platform, those on the upper levels take more than their fair share while those below are left to starve on scraps, and one man decides to change the system.
A married couple are faced with a difficult decision - to improve the life of their child by moving to another country or to stay in Iran and look after a deteriorating parent who has Alzheimer's disease
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