The action of the film begins in the Crimea in 1787. Representatives of the Western powers once again begin their intrigues against Russia, but the main characters, former midshipmen, who have already reached a respectable age by this time, and their adult children, stand up to defend their homeland. They have to sail to the Crimea from Malta and there take part in the war with Turkey; in particular, to take part in the battle of Kinburn under the command of Suvorov.
Crimea, 1787. Despite the Manifesto of the Russian Empress Catherine and the Kuchuk-Kainardzhi peace treaty, which forever united Crimea with Russia, Europe continues to weave intrigues, trying to break this sacred union. In the undercover struggle, all methods were used - from shameless gossip, dark rumors and false articles in newspapers to dirty manipulations with the illegitimate son of the empress sent to Europe for training - Alexei Bobrinsky, a passionate gambler and brawler. This weakness was cleverly exploited by international intriguers. Catherine instructs her faithful friends, the midshipmen, to cut the knot of the conspiracy ... Together with the fathers, their grown-up children, Shurka and Alexandra, go into battle.
By overthrowing Napoleon, the Russian army changed the world. The time has come to change Russia itself. But the winners were divided. The authorities are slow, and a conspiracy is brewing among the young officers of the military elite. The opportunity to negotiate is decreasing every day. Their own become enemies. There comes a time of anger.
Influential businessman Vladimir owns enterprises for the development and sale of technologies that allow you to see the hidden. Around him and his young wife Catherine, events unfold that take them into the past. They witness Felissa Kruut's love triangle in the 1920s and 1930s. In the present, Catherine meets the young musician Stepan and her real love life becomes a reflection of the life of Felissa Kruut in the past. Vladimir, unable to observe from the outside and come to terms with his wife's infidelity, is trying to interfere with this relationship.
The film is inspired by an incredible story of a shepherd dog named Palm who was inadvertently left in the airport by her owner. She befriends nine-year old Nicholas whose mother dies leaving him with a father he barely knows - a pilot who finds the dog at the airport. It's a story of amazing adventures, true friendship and unconditional love.