Sister by Day, Mistress by Night
Episodes
15
Free episodes
—
Status
Unknown
Platforms
1
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.
Where to watch
Links go to the platform's own page. Availability and free-episode counts were last checked 10/11/2026.
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