When Daisy and Hazel are called in to investigate the murder of Mrs Blueberry, a 39 year old lady, they find out that the only person, Alice Liu, who knows every secret of Mrs Blueberry has escaped. Forced to find the mysterious person, they go on a plane to go to China, the last place she was seen. Back home, Mr Blueberry has found another wife. Shocking news then goes to the ears of our detectives: Mr Blueberry is dead. Did the murderer lead them to China purposefully? Who could hate the Blueberry's so much? Or is this all a fake with a friend in the twist?