Mei's son wasn't good at making friends, so he brought his friend Lin home. Worried that her son wouldn't have any friends at school, Mei quickly welcomed Lin over. She heard he was an excellent student and trusted by his teachers. Mei felt reassured that her son had finally made a good friend. However, Lin had a side no one had ever seen. Although he had a good personality, he only pretended to be capable to gain trust. Just as Mei was completely off guard, deceived, Lin reached out to her…