As Mickey brutally sends Arthur away Tina and Hester recall unpleasant memories of Rachel. Arthur is still determined to prove Jack's innocence, despite an attempt on his life, and returns to the Argylls, convincing Leo of his sincerity but leading family members to suspect each other of killing Rachel. On the morning of the wedding Arthur reveals a secret concerning his past to Leo but then another corpse is found.
—don @ minifie-1