帕斯夸尔·德尔·维基奥和小儿子米格尔毕生致力于他们所热爱的橄榄树和橄榄油生产。一天，他发现妻子格雷谢拉在仓库里与他的会计偷情，他的世界瞬间崩塌。这一震惊让他昏了过去，昏迷了好几天。醒来后，他的内心发生了一些改变：帕斯夸尔坚信自己是黑手党老大。从那时起，所有妨碍他的人都将按照西西里黑手党的规则被处决。在任命米格尔为他的得力助手后，帕斯夸尔下达了荒唐的犯罪指令，他的儿子瞒着他通过解雇员工并支付遣散费的方式掩盖这些指令，让他父亲相信命令已被执行，同时让他母亲继续在欧洲进行无休止的旅行。当一个真正的黑手党和米格尔的未婚妻吉娜出现时，有趣的复杂情况接踵而至。

1980s, USSR. Seven-year-old Olya, whom everyone calls Oliva, grew up in the village. By her side is always her faithful friend, the shepherd Rex. Olive is sure that she understands animals and easily finds a common language with them, be it a dog or a goat. In addition, Olive is a very erudite girl with a precocious adult view of the world, because she accidentally read her grandmother's entire library. Her best friend Igor is a moderately quick—witted, but very economical and wholeheartedly in love with Olive, a boy who is ready to support any of her adventures.