Our days. A boy in a wheelchair, Luca, and his assistant to the person, Sasha, walking the streets of a city. Left alone while Sasha rooms in his apartment, Luca meets a mysterious man, who helps him collect the fallen cell and asked him to tell his story. Initially hesitant, Luca accept because the man claims he had, as a young man, the likeness of his illness. Speaking of their lives, the two are many similarities and things in common, even if the age difference and vision of the world leads them to conflict. Irritated, Luca goes away, but it is called by a word spoken from the unknown, which opens the door to an unexpected and surprising ending.