Episode 2: Dangerous Depths

	Julia rides Boris to a cave she has discovered.
	She wants to explore, but he is too frightened to go in.
	Two geologists have been exploring another cave nearby. The stake securing the rope ladder has come loose and the older man - a Professor - is in danger.
	Perko struggles to stop him from falling. Julia and Boris arrive, and Julia attaches the end of the rope ladder to Boris' saddle.
	She walks him a short distance till the man is safe.
	The three of them sit outside the tent and have something to eat.
	She tells them about her cave, and her belief that the two caves must be connected.
	As Julia is leaving, Perko helps her onto her horse.
	After she has gone the Professor tells Perko his thoughts.
	Julia takes Marko the farmer to task for not helping the geologists when they were in danger.
	The next day she speaks to her uncle.
	Before she can escape Stanko has a word.
	Marko has cut the rope ladder. Perko is below. Julia comes and sees what has happened.
	Marko's sister has a few words to say to him.
	Perko cannot get back up above ground and decides to try to get to Julia's cave. Julia decides to enter her cave to rescue Perko. Julia and Perko meet up underground.
	They don't know if they can find their way out. She calls for Boris, and he overcomes his fear to get to them.
	The fire brigade has been called to rescue the men.
	Uncle Dimitri and Stanko turn up, also the Professor, then Julia and Perko. They are all relieved and full of praise for faithful Boris.