A mystery novel for 8-11 year old readers. Megs is 10 years old and neurodivergent. She lives with her mother and Beca, the cockapoo in Aberystwyth. She has few friends, but is close to Gwilym, who lives next door. When Gwilym disappears, Megs is worried that it's all her fault. Part of the Rhyngom Scheme.