A journey spanning thousands of miles begins with the tenderness on the other side of the screen and ends in a bottomless dark mystery. She thought she was meeting a sweetheart, but she didn't know that gentleness was a carefully crafted lie, and there were deadly fangs hidden behind the smile. He is the man in power who hides in the dark, his gentleness is a disguise, and his cruelty is his true nature. A seemingly accidental online love is actually a chess game set by him, and she is the eye and the sacrifice.