My Best Friends Boyfriend

Jess my best friend has this boyfriend who's sort of a bad boy. The thing is he likes some one else and it gets really complicated to not be able to tell Jess about it. Without my help Jess might never know! But is she hiding something from him too?! Who is the mysterious girl I can't tell Jess about? Will he end up with her or will she never know? Will someone get cheated on in the end? Who likes who? What happens after that? Will she ever find out about his not so little secret? How will the story end?! You'll have to read to find out