A historical spy thriller about an Estonian Military Intelligence (O-2) officer, who has to track down a mysterious Soviet double agent. The story begins in 1937, when our protagonist Feliks Kangur is the Head of the Soviet Section. As a spy with an art history education, he still attends various professional events for his own enjoyment. At one of these conferences, Feliks meets the young Polish art historian Maria and falls in love.
Rain, the older brother of Ats, a 11-year old kid growing up in a small seaside town, returns to the family home, where their authoritarian father Kalju and a mother on the verge of losing love are waiting. Ats is witness to the clash of two men, a father and a brother, two stubborn men from different generations with different views of the world. When the father tries to push Rain, who has lost his stable ground, into the boundaries of his world, Rain finds instead hope in Aleksandra, a mysterious woman with a shady past.