Simplify the following text for a Grade 7 native English-speaking person.
Original: Their parents , Dottie and Dipstick , set out to rescue their puppies , commanding Oddball and Domino to stay home and ` be good . ' The puppies do not listen , and are soon out on their biggest adventure yet - to save their brothers and sisters , and their parents who are captured along the way .
Simplified: Soon enough , Domino and Oddball are out on their biggest adventure yet - to save their brothers and sisters .