What if the thoughts that weigh so heavily on you literally prevented you from moving forward? Ale leaves her life behind and arrives in a new city to study at university. He is followed by a cloud of thoughts that constantly draw comparisons between what he has and what he no longer has, becoming a burden that literally prevents him from moving forward into the comfort of his new stage in life. In his routine of coming and going on the subway, he will eventually sink into reconciliation with those thoughts until they cease to weigh on him. In short, learning to let go.