Dolly and her siblings are with her mother Missy as well her siblings, but Missy is later taken by her evil Owner Regina.
Ted and Emily take the puppies after the event happened between Regina and Missy.
Ted and Emily distract their dad, George, and take the puppies to the basement.
Emily and Ted later tell their older sister Ryce to come down quietly to the basement, she follows. She is then delighted by the four puppies, Ted tells Ryce that their dad and mother don't know yet.
They later convince their dad to let them keep the puppies until they get bigger and older.
Ryce, Ted, Emily head to the park to name them. Dolly was going to be called "Morgan" but Emily later says she "Looks more like a Dolly".
That's where she became a part of the Newton`s family.