Jiang Guangming and Shi Luo finally recognized each other and became master and apprentice.The two discovered together that the well-known writer Tang Xun had appeared at the crime scene in 2018 and took away Zhang Qing’s puppy Huajiao.The two people who were about to investigate found that Tang Xun had passed away, and his wife Yang Hui gave new clues to Fang Hai City's “Seaside Hotel”... What was Fang Hai hiding?