On their twentieth birthday, twin brother and sister Nell and Tally McLean decide to make a drastic change in their lives. Nell, a sweet fat girl, full of complexes, prefers spaghetti and conversations with her platonic friends to love affairs. Tally, a handsome, sexy man, on the contrary, often changes women, spends money recklessly - in a word, wastes his life, but deep down in his soul he, too, is waiting for love, wants to understand whether he is capable of this feeling... They leave for Scotland on one of the islands and they decide to open a hotel there, and the twins’ lives change dramatically...