Castoria gives birth to her final child, a daughter named Thunder. Thunder grows into a toddler while Castoria's older children begin exploring relationships. Lechuza kisses her friend Glen, while Chupacabra kisses his friend Shanna. Castoria continues working to pay off her large family loan, which has been reduced to under $40,000. She must now figure out how to tell her children about their family mission to search for mythical creatures once they grow up and leave home.