Nighttime Moscow, ambulance calls, and a cardiology team for whom the troubles of others have become part of their daily work, come together in a tense and very human drama. Before the audience is a film structured as a chronicle of one shift of a specialized cardiology ambulance team in nighttime Moscow. Call after call, new addresses, new people, a new state of anxiety - and gradually from professional routine grows a story about how in extreme rhythm characters, weaknesses, fatigue, responsibility, and true human involvement are revealed. The strength of the film lies in its refusal to portray doctors and paramedics as unreachable heroes. On the contrary, the film shows a small team as alive and vulnerable. Here, not only the saved patients and medical decisions matter, but also the relationships within the team, the tension after difficult shifts, mistakes, doubts, and the need to stay composed when strength is almost gone.