Tired of her difficult relationship with her slacker husband, Katya agreed to spend time on a luxury yacht as a dog nanny. And so the white ship sets sail from the shore, and the young woman finds herself face to face with her nightmare: a huge, uncontrollable dog. Everyone shuns Katya, except for the young, elegant official Yura, who seems to have stepped off the cover of a magazine... An attempt is made on his life. Thanks to the stupid dog, who jerked the leash sharply, the bullet did not hit the heart. Yura will live. And Katya is the most welcome visitor in the ward where he is recovering. Until his wife, a luxurious opera diva, appears there...