Nobody knows how another routine trip on the subway might end. Alina's constant travel companion - a handsome stranger with whom she manages to fall in love - suddenly disappears. A normal girl would have long ago thrown the beautiful image out of her head and certainly would not have gone several thousand kilometers away to a seaside village to look for it... The girl’s anxiety is growing every day. The lover is in no hurry to share secrets, and in the hotel where she is staying, guests die one after another. The list of corpses is multiplying, and Alina no longer knows who is her friend and who is her enemy, and where the line between love and crime lies. How to dare to enter the stormy sea of doubts? Editor's comment: Hissing azure waters, what evil power do they hide in their aquamarine embrace? The whimsical style is incomparably combined with a dizzying plot, from the tenacious whirlpool of which it is not so easy to escape.