Dr. Jaehee Cheon lost her parents at an early age and can't remember their face. She lived without a single friend, let alone a lover, then reincarnated as the unlucky princess in a novel that dies at the age of twelve! If she can't find out who the princess' biological father is, she will die. But apparently, there are four candidates??? And the bigger problem is that they are too deadly.... Will Cheon Jaehee be able to find her real father safely and have a happy ending?