Tang Wen's parents were a loving couple, but they had thought that their best friend would break in, kill them and attempt to steal the artifact. Tang Wen's master saw it, and it was the demon who transformed into a friend. Only Master Tang Wen knew about this. After they killed Tang Wen's parents, they used magic power to check and found that the artifact was not with them. Then he went to find Master Tang Wen and coerced him, and this is where the story begins.
Intention: We must resolve the misunderstanding and fall in love