Marvelous With Words, and Too Good To Be True

Your average teenager in 11th grade. She has normal friends, and a normal family. The only thing that is out of the norm is a mysterious caller every night who she seems to slowly be falling for. How is that even possible? She doesn't even know what he looks like! But she knows his biggest secret, if it's even true, and can't but help be put under his love for her. Is he all that good for her though? As all the normality floats away and she's soon put into a psychiatrists arms, and where to next? Why does he want to do this to poor, innocent Marie Robinson?