In 'Who Killed Alaska: Detective Files, Episode 10,' detective Finn Denver grapples with Boo Curtis's abandonment of an ongoing murder case while dealing with the implications of Boo's manipulation of another character, Bobby's, memories. The narrative includes a mix of surreal interactions among the characters, including hypnotic attempts to address these false memories, set against a backdrop of a blizzard. The tension escalates as Denver, Jo, and Boo confront the consequences of their actions in search of the truth behind Alaska's murder.