A new theory is being repeated by Emmerdale fans regarding Sadie King's potential link to villain Dr Todd. We know that Sadie is returning to the show later this year, while details surrounding the storyline are being kept under wraps. Rumour has it, it's tied into the exit of her ex-husband Jimmy King, who is reportedly being killed off. As it stands, the soap has not confirmed anything. Now, a new theory is that Sadie's comeback is actually tied into scheming Todd's downfall. Todd needs her