Married to an Alien

Mars has not felt the warmth of the sun for three years. Winter has come and settled in for a long period. Marcus and his brothers have decided to take over the earth to secure food for their planet. They started on the north side of the earth and is working their way south. Conquering towns and cities on their way.
Marcus and his brothers went fishing it has been decided that the loser will get married. Marcus lost and his brothers will choose his wife. His brothers see the perfect miss-match wife for their brother Marcus. Zinnia is forced to marry Marcus to save her city and the people she loves.