What would you do? (A Bastille/ Dan Smith fanfic)

Ally is a 24 year old girl whose just moved to London along with her best friend Kaley. As they don't know anyone in the area the girls start to spend time with Kaley's brother Adam and his mates, one of which being the lead singer of Bastille, Dan Smith. What happens when both girls seem to fall for Dan? Should either of them pursue a relationship with him? Or should Ally go for Adam, whose been there all along. What would you do? The 'girl code' of not dating your mates brother and not fighting over the same guy get's seriously pushed to it's boundaries in this circumstance and leaves the girl's questioning whether their friendship can handle it.