Watch Seitensprung for Free: How to Stream the Movie Online at 123Movies. . Edith and Wolfgang have led a fairly harmonious family life for many years, together with their son Danilo. Edith has long since got over Wolfgang's infidelity twelve years ago, which resulted in a daughter. Every now and then he visits 12-year-old Sandra, simply fulfilling his fatherly duties. But suddenly the girl appears at the door.