Kaitlyn Evans is a 20 year old girl living in London, England. She's living a completely normal life. Meanwhile, in Australia, Luke Hemmings is living the dream in his band 5SOS. But one day, Luke's mom dropped a big secret. Is Kaitlyn really his sister? Will she believe him? And what happens when Ashton, Luke's band mate, gets emotionally attached to her? A story of fighting, Tears, Confusion, Heartache, Pain, Trust, And love