Late-stage cancer. 3 months to live. How will retired detective Kang Insu make the most of it? When seeing the death-row convicts he arrested all escape from a prison van, he finds his answer: finish the job. It's something he could never do as an officer, but the law didn't do its duty. The problem is all the escaped convicts are moving far too swiftly for it to be a coincidence. They have someone behind the scenes giving them a helping. And this someone also has Insu's daughter in their sights