My Best Friend's Heart (GirlxGirl)

Kathryn and Natalie have been friends for at least five years. They work together where Kathryn is an accountant and Natalie is her secretary, although Natalie acts like the one in charge. As each day goes by, Kathryn struggles to deal with evolving feelings for her friend.
Unbeknownst to her, Natalie feels the same way.
What happens when they have finally told each other how they feel? What happens when a terrible tragedy befalls upon Kathryn? Could they survive it all while keeping their friendship?