"Magoo" is smuggling his poodle "Gigi" in his suitcase on a French train when he goes to fetch her some food. Upon his return, she has gone! Meantime, a suspicious couple are also travelling on the train and guess what? "Gigi" just also happens to be their secret password. Next thing, he has been given a cigar that could possibly blow the roof off the world. When their real courier arrives, the crooks realise their mistake and race to reclaim their property from the hapless "Magoo" who constantly and perilously muddles things up as he searches for his lost dog. Can he find the dog and will the cigar explode...? Answers on a postcard!