Katya Horenko is on the verge of great changes. She's going to participate in a biathlon competition after which she'll have a chance to be an Olympic champion. However, Katya's plans collapse when in her life appears Ihor, a man who blames her of his father's death. He has been long planning his revenge and he's finally ready to do it. But his plan turns into a tragedy not only for Katya after Ihor's mistress Marina, a beauty with the cold heart, interferes. Her manipulations start a chain reaction of catastrophes and losses, unmasking and revelations.