"Ah, ya mudder sleeps in pay toilets," grouses a guttural voice. The place could be nowhere but Manhattan, where a bunch of grass-puffing adult dropouts 'ive in communal squalor. But when a toucan with an exotic virus wings in he window, everyone suddenly breaks out in smiles.
The disease, it develops, is a rampant euphoria that turns New Yorkers off liquor and tranquilizers and into platonically perfect citizens. The most alienated hippie (George Peppard) turns happy, his tacky chick (Mary Tyler Moore) turns chic, and they promptly infect the town with their beatitude....