Former Sheriff Brandon Walker is living the life of a reluctant retiree, but desperately misses his former career. When he is invited to join The Last Chance Club to review and attempt to solve long-cold cases, he little imagines the first case to cross his path will be the one he may have botched years ago when he was sheriff. And when the case from all those decades past becomes entangled with a current murder, it seems a serial killer with a very long and shocking track record may be back in business...