When the wind-up robot Quinn made malfunctions and runs amok through 3rd and Bird, it is up to Samuel, Rudy and Muffin to stop it.

Muffin wants to play Mummy, and Mr Beakman agrees to play with her. But when Muffin dresses him in a bonnet, sits him in a buggy and puts a bottle in his mouth, Mr Beakman realises he has agreed to play the baby!After he overcomes his initial embarrassment, Muffin and the community push baby Beaky through the branches of the tree!

Muffin introduces the community to her new friend, Ben the pig. Samuel and Rudy warn Muffin that pigs are messy and lazy, but when Ben turns out to be clean, kind and helpful, the birds quickly change their tune.The community builds a beautiful barn for Ben to live in, but he informs them that he is only visiting the tree. Ben sings a heartfelt farewell to the community before parachuting down to the ground.