Olaf Henke and Florian Klöckner, two free climbers, witness a murder on a motorway bridge. The gangster Wieland throws Florian off, but Olaf escapes. Semir and André come across Olaf, who tells the story, but they doubt his version. Olaf comes under suspicion because there is no evidence of murder and there is a jealousy story. While he tries to prove his innocence, the gangsters are on his heels.