Reliance Big Entertainment.

"Three are dead. Who is number four? John Smith is an extraordinary teen masking his true identity to elude a deadly enemy sent to destroy him. Living with his guardian in the small town he now calls home, John encounters unexpected life-changing events - his first love, powerful new abilities and a secret connection to the others who share his incredible destiny."--Container.

While settling his recently deceased father's estate and reconnecting with his estranged family, a twenty-something salesman discovers he has a half sister.