Ricky and Hec were finding water. The director made Hec and Ricky have confused expressions to show what they're thinking. Psycho Sam was crawling around crazily, pretending to be a bush which showed the audience that he wasn't very normal.
They came across Psycho Sam. The director made him look strange because he was wearing a bush and had a long beard. He seemed very crazy from the way that he talked / acted.
He invited Ricky and Hec into his home
He offered Ricky and Hec really strange biscuits and put pots on their heads
Ricky and Hec stayed the night and Ricky gave Hec a haiku
They were given crumpy the car and left Psycho Sam