The Billionaire's Forbidden Secret: My Sister's Baby Daddy
The Billionaire's Forbidden Secret: My Sister's Baby Daddy is a 40-episode urban short drama streaming in English on Dramaflix — every short series from 35+ platforms for just $12 a month.
Where to watch?
Dramaflix is the better dealPay $7.99 less per month with Dramaflix: the short series of 35+ platforms, including SerialPlus, in one plan.Save $7.99 a month
Plot
A Manhattan billionaire reunites with his amnesiac first love—now a cold obstetrician—only to discover that the baby his sister is carrying via sperm donation was fathered by the very man he never stopped searching for.
Frequently Asked Questions
Where can I watch The Billionaire's Forbidden Secret: My Sister's Baby Daddy?
The Billionaire's Forbidden Secret: My Sister's Baby Daddy streams in English on Dramaflix; its source platform is SerialPlus. A Dramaflix subscription covers every short series from 35+ platforms.
How much does it cost to watch The Billionaire's Forbidden Secret: My Sister's Baby Daddy?
On Dramaflix, The Billionaire's Forbidden Secret: My Sister's Baby Daddy is included in a single $12/month plan that covers all short series from 35+ platforms. Watching it on SerialPlus alone costs $19.99 a month — Dramaflix is $7.99 cheaper per month.
Is The Billionaire's Forbidden Secret: My Sister's Baby Daddy on Dramaflix?
Yes, The Billionaire's Forbidden Secret: My Sister's Baby Daddy is in the Dramaflix catalog with all episodes available in English.
How many episodes does The Billionaire's Forbidden Secret: My Sister's Baby Daddy have?
The Billionaire's Forbidden Secret: My Sister's Baby Daddy is a short (vertical) mini series with 40 episodes in total.
What genre is The Billionaire's Forbidden Secret: My Sister's Baby Daddy?
The Billionaire's Forbidden Secret: My Sister's Baby Daddy is an urban short drama (Urban, Modern City, Female, Modern Romance).
Is The Billionaire's Forbidden Secret: My Sister's Baby Daddy dubbed or subtitled in English?
The Billionaire's Forbidden Secret: My Sister's Baby Daddy is available on Dramaflix with English dubbing and/or English subtitles.
What is The Billionaire's Forbidden Secret: My Sister's Baby Daddy about?
A Manhattan billionaire reunites with his amnesiac first love—now a cold obstetrician—only to discover that the baby his sister is carrying via sperm donation was fathered by the very man he never stopped searching for.
Streaming info last updated: September 17, 2026
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