Can't kill a dead person

Abigail is a girl from a rich family. Her life hasn't been well from the beginning to the end when she died at the age of 23. She was betrayed by her beloved and died as a result. She now comes back to exact revenge and live a happy life. How will she fend off all those hot shot with just her knowledge, beauty, cunningness and a supernatural power inherited from her afterlife. Read to find out... ;)