Is it love or is it not?

After George Foyet's attack on Hotch, Emily Prentiss and Aaron Hotchner become closer, yet there are hidden feelings between the two that they both try to hide from each other. There is a line that they would never dare to cross. But one day the two lines collide and now they have to deal with the hardships that come with the altercations to their friendship, and eventually their relationship. Is love really enough to get them through, or will it all fall apart?