When Summer moves in with her mother's friend, she expects to be treated like an adult. Fat chance! Victoria exerts control over every aspect of her life, protectively demanding Summer come straight home after university classes.

Everything changes the day Victoria catches Summer watching some very kinky lesbian content. The landlady soon becomes Nanny, coaxing Summer into the big bed for play time.

The unlikely couple embarks upon a series of naughty adventures, but what happens when Summer wants to include a girl her own age in their relationship? Will Nanny punish her wayward charge or accept another girl into their uncommon household?