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.
When the CIA's most skilled operative, whose true identity is known to none, accidentally uncovers dark agency secrets, a psychopathic former colleague puts a bounty on his head, setting off a global manhunt by international assassins.
When an ex-soldier who discovers gold in the Lapland wilderness tries to take the loot into the city, German soldiers led by a brutal SS officer battle him.
A soldier wakes up in someone else's body and discovers he's part of an experimental government program to find the bomber of a commuter train within 8 minutes.
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