Sentinals Banished

Sentinals Banished is the fifth book in the saga of Remargaren, a vibrant, ancient world of high fantasy suffused with magic and adventure.
Sentinals Banished is set seventeen years after the fourth book, Sentinals Across Time. Although you could start the series here, it is recommended that you read the previous books in the series first.
Sentinal Birlerion has watched from the shadows for so long he doesn't know how to stop. Always there when the Lady's Captain needed him. He did what was necessary to keep those he loved from harm.
When the king banishes the Lady's Captain, Jerrol Haven, from Vespiri and disbands the Sentinal guard, the Sentinals are at a loss, some bitter, some eager to retire, all angry at the king's decision.
Birlerion moves to Old Vespers to watch over Jerrol's daughter as she begins her journey to become a King's Ranger.
Old Vespers is in turmoil, the king unpredictable, and the Sentinals are unwelcome. Unexplained deaths are occurring, and bodies begin to appear in the city streets. As Birlerion continues his search for the place he can call home, he has to step out of the shadows as he is drawn into a tangled web of deceit and lies. He must hunt down those responsible and clear the Sentinals name before anyone else goes missing.