Simplify the following text for a Grade 12 native English-speaking person.
Original: Ofelia 's stepfather , the Falangist Captain Vidal , hunts the Spanish Maquis who fight against the Fascist reign in the region , while Ofelia 's pregnant mother grows increasingly ill. .
Simplified: Meanwhile , her stepfather , the Falangist Captain Vidal , hunts the Spanish Maquis , guerrillas who continued fighting the Franco regime in the region , as her pregnant mother grows ill. .