Mu Xiaoxiao is a highly-skilled, street-smart assassin. But despite her skills, she fell into her aunt’s trap on her birthday and ended up getting pregnant with an unknown man’s child! Not one to take this sitting down, she burned his house to the ground. But luck wasn't on her side. Six years later, her precious son was taken away from her by the Dark Night Empire. Now, she had no choice but to return to the life she once had and become an assassin once again to save him. But this time, had she bitten more than she could chew? One thing's for sure, life for Mu Xiaoxiao would never be the same again.