Nothing Can Split Us Apart

Judy is having man vs self conflicts because she developed a second personality, Vivian, who is completely the opposite of her. Judy is sweet and tender whereas Vivian is possessive and demanding--Vivian starts to take over Judy's body slowly and unknowingly, until Judy's girlfriend, Adriana starts to realize she's acting different toward her. Does Vivian succeed in taking over Judy's body? Does her girlfriend save Judy on time from Vivian's plan?