The Sister - Season 1 Episode 3 -

As Nathan and Bob grimly dig up the woods, the truth about that fateful night is finally revealed, as is the way the woman's mysterious disappearance continues to haunt everyone involved. When Holly confides in her best friend, Detective Jacki Hadley, about Bob’s reappearance, the truth niggles at Jacki. And just when Nathan hopes he has finally turned the page, Bob has another twist of the knife. Now he must decide once and for all what he will do to keep the secret.