"Haunted by the Past" (Hudson & Rex, Season 1, Episode 3) centers on Detective Charlie Hudson and his partner Rex investigating a modern-day assault that uncovers a decades-old murder and a hidden grave. The investigation reveals that the victim's brother was killed in a hit-and-run by a man trying to hide his crime, concluding with the case solved and long-overdue justice served. Read the full recap at TV Tropes . "Hudson & Rex" Haunted by the Past (TV Episode 2019) - Plot