In order to avenge his parents and rescue his imprisoned brother, Qiuqiu, who had been training for two years in a killer organization, moved into the No. 7 Courtyard of a B&B full of secret rooms. He took the opportunity to get close to Luo Ji, hoping to find an opportunity to kill his father, Luo Qin. However, he discovered more secrets in the No. 7 Courtyard, and everyone around him also hid secrets, both good and evil. What's even worse is that on the road to revenge, she found that she fell deeply in love with Luo Ji. Qiu Qiu rescued his younger brother Qiu Han with the help of Luo Ji and everyone in the small courtyard. Luo Ji's pleading made Qiu Qiu soften his heart. In the complicated emotional entanglement, Qiu Qiu finally gave up his murderous intention and stopped taking revenge. In the end, they lived happily together in No. 7 Courtyard.
