Rudi yearns to complete the quest his father died for; reaching the top the Citadel, the highest mountain in Switzerland. With only his father's red shirt and a humble staff, he steals away from his sleeping mother, and begins his climb upward into the unknown.

The son of a deceased climber that died on a Swiss Alps mountain peak, wants to visit the place of his father's death. He follows a 19th-century British climber to the peak.