I Spy Your Heart ( Niall Horan Fanfic)

Having been trained as a spy for eight years, Lily Baker thaught she knew everything about herself. But when she finds out that here brother is Louis Tomlinson and that she is adopted, she desperately tries to ignore it, until they meet at a concert, whilst Lily is on a mission, and all hell breaks loose.
will Lily lie her way out of trouble, or will curiosity get the better of her? Will a pair of curious Irish eyes capture her attention, will she spy his heart?