Milo, Lofty and Lark are district nurses and get on their bike to look after the residents of Milotown. But they fail to listen to their patients as well as they should.

When Milo, Lofty and Lark take over curation of an exhibition at the museum, they accidentally send some important exhibits to be recycled.

Milo, Lofty and Lark take over Mila's work at the observatory. They have some special observations to make in the night-sky.