The girl who fell in the ocean *The Keeper chronicles*

Lawrence Harper saves a drowning girl; well first he watched the sky open and saw her falling and then he saw her fall in the ocean pretty hard.
After he saves her he realized he got him self deep with the sharks when the girl wakes up and tells him that he's a Keeper, A person who has to protect nephilim from demons and other unearthly things, and not only is she being chased by deadly demons but Lawrence finds out she's a nephilim a.k.a an Angel.

Lawrence finds him self understanding with this but when the demons threaten to kill his family. Lawrence has no choice but to go to war with Demons and the only one that can help him is Emma.