Morgan Hart

Julia has spent her entire adult life trying to forget the torment she suffered at the hands of her twisted twin Mary... but Mary hasn't forgotten. Escaping hospital, where she's recently been admitted with a horrific, disfiguring illness, Julia's sadistic sister vows to exact a particularly cruel revenge on her sibling this year - promising a birthday surprise that she'll never forget.

A State Department employee finds an egg-shaped device with a green liquid inside that makes the person who drinks it invisible. He finds himself being chased by foreign agents who want the substance.