The exploits of Judy, Joey and Josh and a chimpanzee called Alice.

Alice's attempts to reach the children by climbing down the chimney of their grandmother's house result in various people being stranded on the roof. Eventually the Fire Brigade is called.

'Alice's' attempts to help with house decorating result in disaster. She is banished to the tree-house but a violent storm drives her indoors, to the consternation of the children's mother.