19 year old Daniela Newport has loved 5SOS since they first posted them sing Teenage Dirtbag. She got tickets to their tour in Australia but will soon get so much more. While at his favorite store, Calum Hood overhears Daniela singing Unpredictable. But he doesn't know it's her. He doesn't know who was singing the song but he fell in love with Daniela's voice. Soon they bump into each other and they soon become friends. Yet Calum still doesn't know that he fell in love with Daniela's voice and Daniela doesn't know that Calum overheard her singing. Soon Calum starts to fall in love with Daniela but is saving his feelings for the girl with "the voice". Will he find out Daniela is the girl with "the voice"? Or will he stop caring about the voice and fall in love with Daniela anyways?
When Andrew's 17 year old god-daughter Rin is sent to stay with him because of her mothers murder and her fathers conviction for it. He has no choice but to bring her along for the tour, in fear that her estranged, murderous father might try and abduct her. Well Rin already had fallen in love with 5SOS, but Michael had always been the one she loved first and when this broken and abused girl is thrown into their lives she becomes scared, but still finds herself writing and leaving notes for Michael. To which he finds himself falling for the girl behind them that no one seems to know, suddenly the 5SOS family becomes involved and gives her the nickname "Ghost" which sends the entire fandom and the band in search for the girl who signs her letters Rin, but is known to everyone by Ghost.