The Warlord's Doctor Bride

Modern archaeology professor Iris Wallace time-travels into the body of a pregnant woman buried alive. She encounters Warlord Damian Vaughn, afflicted with poison. With her modern medical skills, she goes from enemies to lovers with Damian Vaughn. She dies to save him, and he trades his life to send her back. Two years later, Damian Vaughn time-travels to her, and they are reunited.