Watch Kann denn Liebe Sünde sein? for Free: How to Stream the Movie Online at 123Movies. . Maria needs sex like others need air to breathe. Thanks to their attractiveness , there is always a willing bed play. Maria's 17 -year-old son Laurin is also the result of a one-night stand - and yet he is his mother's pride . However , Laurin is one of theirsEscapades unenthusiastic . Worse still, the devout boy thinks his mother is the walking mortal sin , which is just fine with his plan to evict the new pastor .