[transmetahuman]

Assuming the player wants to continue with the group even if (or should I say when) the secret gets out, you may want to suggest that the orthogonal goal/behavior/secret was implanted in her by some vampire, wizard, or other hypnotic/mind controlling critter. Assuming *that* comes out, too, somehow, it makes it much easier for the other characters (and some players) to forgive her.