《火影忍者》Ep209:The 209th enemy is "unbearable"
In the dead of night, four ninjas with no sign on their guards sneaked into the lighted room, killing the people in the room for an instant, and then they came to a room with a lock on them. Suddenly, a child Crying interrupted the actions of the ninjas, the pill decided to deal with the child, and the other three completed their work, burning the entire house and destroying the evidence. I do not know how long before Naruto, Sakura and Li were arranged to perform the task of escorting the pill of iron.