Mac courts one of his trademark moral conundrums when his friend Ingrid, haunted by her failure to kill an overwrought Hitler with a penchant for hiding in shrubbery, arrives in Seacouver determined to kill a ascendant white supremacist at any cost. The Rewatchers take a deep dive into an ethical quagmire, learn the history of boxing rules, and crown the “best cop in Highlander.”