Watch Private Lessons for Free: How to Stream the Movie Online at 123Movies. . On campus, the lack of girls is zip-straining, but communal living is strangely intriguing. Who's Martin, the young straight German boy? The little straight boy's beauty and shyness drive the place wild. The housekeeper abuses his authority to satiate his carnal desires. Underground relationships are formed. The sexual tension in these twelve hunks must explode. Pleasure has no limits when you're twenty. Rules are for adults.