Writer F. Vallejo returns to Medellin after a 30-year absence and meets 16-year-old Alexis. Alexis is an assassin for hire. They fall in love, a mad love like the city itself, where Alexis, an angel of extermination shoots anyone who disturbs him. From street to street, from church to church, from murder to murder, through Alexis, Fernando discovers an unknown city, full of violence and hatred. But Alexis is also killed by a stranger on a motorcycle.