
The Billionaire's Hidden Heir
An ordinary woman enters a contract marriage with a hidden CEO, but a pregnancy misunderstanding threatens their growing love.
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About The Billionaire's Hidden Heir
Ordinary Isolde rescues Griffin, the hidden CEO of Kane Group, on a stormy night. To pay for her mother's surgery and satisfy his grandmother's marriage condition for inheritance, they sign a one-year marriage contract immediately. Griffin repeatedly protects her from cousin Dominic and ex-girlfriend Vivian, and the arrangement becomes love. After becoming pregnant, Isolde overhears a fragment of a business conversation and believes Griffin wants the baby removed.
Original synopsis supplied by the catalog. May contain spoilers.Why watch The Billionaire's Hidden Heir?
- It pairs a one-year marriage contract with billionaire romance.
- Griffin protects Isolde from a cousin and an ex-girlfriend.
- A business conversation creates a serious misunderstanding about the baby.
Who is this story for?
- Viewers who enjoy contract-marriage billionaire romances.
- Suitable for stories featuring hidden identities and family pressure.
- Fits audiences drawn to protective romance with dramatic misunderstandings.
What to expect
- Contract marriage
- Hidden CEO
- Inheritance condition
- Pregnancy misunderstanding
Lead character
Female Lead
Story tags
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Your watching questions
Where can I watch The Billionaire's Hidden Heir?
The catalog lists this title on sereal. 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 sereal 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 She Was a Stand-In Bride—But the CEO Only Wanted Her, which shares the romance and drama and workplace and billionaire and betrayal and contract-marriage and hidden-identity and ceo-romance themes. You can also browse the full romance collection.











