Ciske is spying on a man and woman making love. A girl douses him with a bucket of water and then the man emerges from the bedroom, takes Ciske in and throws him on the bed. He then hits him several times with his belt.
It is the continuation of the scene that begins at minute 1:05. We discover that it is not only Leo who is spying on his parents but also Ale (his sister). Shortly after their parents start having sex Leo covers his sister's eyes.