High school student Niall Horan's life turns upside down when London's most wanted criminal climbs through his open window one night. Trapped in his own home, Niall struggles to keep himself and his friends safe while battling his own mind. While being stuck between truth and lies, right and wrong - Niall must also prevent himself from falling for his captor.

Niall has always been special. They called him different, strange, diseased. But he had visited many doctors, and none of them diagnosed him with anything. Niall was just scared, all the time. Paranoid, some people may call it. He swore there were monsters out to get him, and constantly lived his life in fear, never having the guts to tell anyone what was really happening to him. Until he meets Zayn. Zayn Malik has many frightening features himself. But will he be able to get Niall to loosen up, and for once in his life actually face the monsters who have made his life hell?