May and Grace were sisters in 15th century europe. After their mother died from the plague , a doctor got them into an orphanage. They lived there for years and when they were old enough decided to stay and become nurses. But one night they were attacked. A vampire turned them and separated them because he wanted to stay unknown. He erased their memory completely and left them behind. Eventually ,they found eachother 200 years later. But they didn't want revenge on the vampire who turned them. Instead they decided to start an army together and participate in the territorial wars in America , later. The army grew and so did the troubles between the sister. This resulted in Grace often leaving, but she always came back. One day , May came across a youn guy named Jason. She turned the dying soldier and they fell in love. But when he visited home , her eye fell on his brother. She wanted him in her army and made him join the training-programm she had all potential vampires to. Only he got a special treatment : May began an affair with him and got pregnant. When Jared found out he got furious ,and May turned him because of the reaction he had. Eventually both brothers left , and May was alone. She had a couple of flirts in the next centuries, but nothing major. She also lost the trust of her daughter , who left after almost being killed by her mom's army and her mom not defending her. Alyssa traveled and found Jason, not knowing he was her uncle. They became friends and quickly they saw eachother as family.May couldn't cope with that , and made up a plan. She reunited with Jared to take Jason and Alyssa down in revenge. After some attempts , she succeeds in weakening them. But in the end , Jason and Alyssa win. May gets killed by Jason's wife , Payton. Jason , Alyssa and Liam (Grace's son) survive because of a ring or their paternal genes , in Liam's case. Alyssa takes over her mother's enheritage and turns the Miller-name into a good thing.