'Revenge': Who's Trying To Assassinate Victoria Grayson? (VIDEO)

Emily learned just how deadly serious of a foe The Initiative is on the latest episode of "Revenge." She may want Victoria Grayson dangling from the end of her hook, but The Initiative had other plans. They had Aiden's sister as collateral, and they gave him a very simply assignment: Kill Victoria Grayson.

After getting wind of it at the last minute, Emily intervened. She convinced Aiden not to pull the trigger, arguing that he can't let The Initiative turn him into their assassin. She said that if he killed Victoria, it would give them all the power. Unfortunately, it was the power of his sister that ultimately mattered.

For failing to come through for them, Aiden received video footage of his sister apparently dying -- her death made to look like a drug overdose. He told Emily in no uncertain terms that if his sister is dead, this one falls squarely on her shoulders.

The tension continues to rise on "Revenge," Sundays at 9 p.m. EST on ABC.

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