Blood Oath? He Died for Me!

Rose and Jason swore a Blood Oath. War tore them apart. He married four ladies, then forced Rose to be his Fifth Lady. She died. Jason reversed time. Both reborn, unaware. He protects; she avenges. She betrays him; he dies for her. Later, Jason has no memory, yet he aches for Rose. Their jade pendants click. But will he remember?