Ye Qi - In her previous life, she was an orphan and the most valuable killer in the dark night.
A failed mission brought her to a different world, where she met a charming man - Ye Ninghan. Such a man made her finally give up her dignity, just to stay by his side, even if his love would never be given to her.
Can love that never responds be able to go on firmly?
And can the absolutely outstanding men appearing around her make her change her mind?
Who is her ultimate guardian when she is so lonely?