Fred, Lucy, the baby, and McDuff go to the lake for a Fourth of July picnic, but when ants consume all of their food it's up to McDuff to find something for them to eat.

Brokenhearted when her best friend departs for the summer, Ivy spends her own summer caring for animals in the mid-century Southwest, sharing her season of discovery with a stubborn pony, a mischievous puppy, and a scarred racehorse.

At Aunt Frieda's house for dinner, McDuff the dog and the old cat Purlina have a tussle over a Turkey Tidbit.