Eternally Yours (working title) is an eternal love story about two vampires who have been married for five hundred years, and their struggles to accept the human who is dating their daughter.
From war-torn Kasay, Mintada and Siplai are sent to Thailand to study hoping to bring back knowledge to aid their homeland. There, Mintada falls for affluent Punpasa, facing opposition from her family and Siplai over their romance.