How to reject a rockstar that's madly in love with you

When the billionaire rockstar she sees as a brother reveals that he is madly in love with her, Aishwarya is forced to fake a relationship with her other co-star and best friend, Jack Cardiff, a rugged Irish rockstar with a dark past, in order to stop fans from shipping them and getting his hopes up. How will this affect her relationships with both friends and the tour? And what will happen if she accidentally falls in love with the man she swears her relationship with is fake?