Little Liar: I' m lying to you, little girl

Malachi the Vision had one single wish. One single goal. One deep obsession he could never shake off.
His half-sister Olivia.
For the first time in her life, she chose him over the whole world, and he intends to keep her forever. However, his happiness is soon destroyed by powerful enemies who want Olivia for themselves.
He had it, but then he lost it.
Malachi is wounded and still struggling with his demons. He is forced to make unexpected alliances in order to hunt down his enemies. He won' t stop fighting until he gets her back.
At any cost.