Nicole Büchner comes to town after the death of her father Max Orbis. She returns months later to visit her half-brother Alex Wiegand, whose mental state is more than critical. Nicole soon develops a friendship with Julia von Anstetten and falls in love with her twin-brother Jan Brandner. He has interest in her as well and after a short time the two of them become a couple. Nicole shares a flat with the twins and realizes after a short time that Jan and Julia have a special relationship to one another that she's not a part of. As Julia starts a relationship with Sebastian Schröder, Jan shows a jealous behavior that leads for Nicole to break up with him. Sebastian starts to feel the same way in his relationship with Julia and finds comfort in Nicole. Sebastian ends things with Julia and he