Once upon a time in a kingdom. There lives a Princess. She's the heart of the land so she can never go out outside her own mansion. Many people wanted to have her heart so she's always be the target of evil people.

In one night, Alhaitham— the paid assassin is hired to take her heart by somebody.

He jump towards the window. His mission is to kill the Princess of this kingdom and take her heart as he must brings it to his recruiter.

He already saw the Princess wondering alone in the balcony watching the moonlight. She looks fragile, pale and weak. But something stirs him.