[PART 1] Seriously ill Sarah Lehner accompanies daughter Emma to Ellmau, for a beginner mountaineers tour guided by Lucas Baumgartner, but he left as they are late, and finds young Oliver unmotivated to continue, actually waiting for girlfriend Emma. Experienced Sarah decides to catch up, but never told Emma about her illness. Unpredictable falling stones scare Oliver into returning in panic, but Sarah falls on her line after fainting. Emma calls Andreas's rescue team, which flies them to hospital, where Sarah must admit she has terminal cancer, hoped to spend a last carefree summer and insists Andreas brings Emma to Oliver's group, which he does/ Meanwhile Peter Herbrechter pays Frnz to spy on Emily's guests, wondering about the reason for a visit in person from Sarah's brother and sister in law Albert and Ulrike Lehner, due to a business partnership.