Between wide land and the Wadden Sea in East Frisia, Sarah Teufel lives with her American ex-husband James. Together, they run a taxi company – complete with an original New York Yellow Cab! During their rides, Sarah witnesses quite a bit. And since the nearest police station is far away, she sometimes takes matters into her own hands when something seems off.

Episode 12: Seagulls Murder at Noon. A live radio play is being performed at Palinghuus! Sarah is on site and is thrilled by the elaborate production of the play "Seagulls Murder at Noon" – especially by the performance of the famous actress Agnes Sakowski. In one scene, she is supposed to be "shot" with a gun loaded with blank cartridges. But when the shot is fired, Agnes actually dies! Someone has swapped the blanks for real bullets. Sarah dives into the investigation and discovers that the deceased actress had recently become more of a tyrannical diva. And quite a few people have a motive for the murder...