Sister by Day, Mistress by Night
A fallen nobleman's daughter hides a forbidden affair with a duke's heir while planning marriage and escape.
Opens the saved drama link, or the platform’s main viewing entrance when needed.
About Sister by Day, Mistress by Night
Rosa Ryan, a fallen nobleman's illegitimate daughter, seduces Duke heir Lucien Voss to survive. By day they pose as distant cousins; by night they share a forbidden affair. When Lucien is engaged to Sophia, Rosa plans to marry commoner knight Jon and escape—only to discover Lucien has no intention of ever letting her go.
Original synopsis supplied by the catalog. May contain spoilers.Why watch Sister by Day, Mistress by Night?
- The day-and-night contrast gives the romance a secretive tension.
- Rosa faces a sharp choice between Lucien, Jon, and escape.
- Noble status and engagement complications intensify the forbidden relationship.
Who is this story for?
- Viewers who enjoy forbidden affairs and complicated romantic choices may connect with Rosa’s dilemma.
- Fans of period-style noble drama and possessive romance may enjoy this story.
What to expect
- Forbidden affair
- Secret public identity
- Engagement conflict
- Escape marriage plan
- Romantic possession
Lead character
Female Lead
Story tags
Explore this drama’s genres, story premises, themes and character relationships.
Genres
Story tropes
Themes
Mood & tone
Relationships
Your watching questions
Where can I watch Sister by Day, Mistress by Night?
The catalog lists this title on NetShort. Check the viewing panel for a verified link to this specific drama. Platform listings do not guarantee availability in every country.
Are free episodes available?
We don’t have confirmed free episode information for this title yet. Check NetShort for current access and prices. No episode count or subscription price is assumed here.
What language is this version?
This catalog entry is listed in English. Audio and subtitle options may differ on the viewing platform.
What should I explore next?
Try Beg Me to Stay, which shares the romance and drama and historical and betrayal and forbidden-love and royalty and secret-relationship themes. You can also browse the full romance collection.
