gone for years (kidnapped a one direction fanfiction)

Alexa payne was kidnapped six years ago.
or so everyone thought. at least that's what they hoped happened, the Payne famiy didn't want to think about any other option. they weren't taking it very easy
but Liam Payne took it the hardest.
ever since he was thirteen he and his sister had a bodyguard.
when she was kidnapped, Liam wouldn't let himself be without one.
but what happens when his own bodyguard is kidnapped and the band decide that Paul isnt enough?
how will Liam take it?
and what does it have to do with his baby sister ?