Wife on vacation 1967

Allan Thorsen is tired of his wife, but he finds it difficult to tell her that he wants a divorce. So he arranges a skiing holiday where she will fall in love with another man, so that he can get rid of her without having to do anything himself. She does find a man who is interested, but then Allan becomes jealous and soon tries to win his wife back. However, the situation is complicated by the fact that Allan's mistress suddenly shows up at the holiday hotel.