The Deepest Vow
Cursed Deep-sea King Sarlin is consumed by power at every blood tide, eased only by merging with a mermaid bearing ice-glass markings. Debt-bound mermaid Ilowen joins his sacrifice selection for money, then leaves—but their fates are already entwined.
Story guide
See the main plot, character relationships, and setting before deciding whether this drama is for you.
A Deep-sea King cursed to be consumed by power at every blood tide can find relief only through a mermaid with ice-glass markings, while a low-born mermaid pressured by her gambling father's debts enters his sacrifice selection for money—drawing them toward a shared fate.
Explore the full story Characters, setting and story arcs
Setting and world
A deep-sea royal court where blood tides trigger the Abyss Curse, royal sacrifice selections recruit mermaids, debt traders traffic in the indebted, and an ancient Singer heritage is linked to a mother's shell pendant.
Narrative framework
The story begins with the king's curse and the selection, then follows Ilowen's departure, her unexpected pregnancy and sale to debt traders, Sarlin finding her through the markings and making her queen, Seraphina's repeated schemes, the revelation of Ilowen's Singer heritage and the pendant's cure, and a blood-moon resonance that costs her voice.
Main character relationships
Swipe to exploreDeep-sea King; father of Ilowen's child
Sarlin bears the Abyss Curse and is consumed by power at each blood tide. He finds Ilowen through her markings and makes her queen, later resonating with her at blood moon.
Low-born mermaid; mother of Sarlin's child; last ancient Singer heir
Pressured by her gambling father's debts, Ilowen joins the royal sacrifice selection for money, then leaves. She unexpectedly bears Sarlin's child, is sold to debt traders, and proves to be the last ancient Singer heir, sacrificing her voice to break the curse.
Stepmother who repeatedly schemes against Ilowen
Seraphina is the stepmother who schemes against Ilowen repeatedly after Ilowen becomes queen.
Core story elements
Sarlin is consumed by power at every blood tide, relieved only by merging with a mermaid bearing ice-glass markings.
Ilowen joins the selection for money under pressure from her gambling father's debts, then leaves.
The cure for the curse is hidden in Ilowen's mother's shell pendant.
At blood moon, Sarlin and Ilowen resonate fully, and Ilowen sacrifices her voice to break the curse.
Story arcs
Read the opening as a collision of need and necessity: the king's blood-tide affliction demands a marked mermaid, while Ilowen's motive is debt money, not devotion.
The markings that identify Ilowen also expose her to debt traders and to the crown; track how others' schemes and the pendant's secret reshape her position.
The blood-moon resonance frames sacrifice as the cure's cost: Ilowen's voice is given up, and the ancient clan is vindicated through her.
Titles and search spellings
- SceneTrace title
- The Deepest Vow
- Chinese title
- 深海之誓
- Pinyin / search spelling
- shen hai zhi shi
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FAQ
Where can I watch The Deepest Vow, and how much does the available player cover?
Official listings include YourChannel.
How many episodes does The Deepest Vow have?
The Deepest Vow is listed with 43 episodes.
What roles do Sarlin, Ilowen, and Seraphina play in The Deepest Vow?
Sarlin: Deep-sea King; father of Ilowen's child. Ilowen: Low-born mermaid; mother of Sarlin's child; last ancient Singer heir. Seraphina: Stepmother who repeatedly schemes against Ilowen.
What kind of AI-generated short drama is The Deepest Vow?
The Deepest Vow is an AI-generated photoreal drama.
Which alternate titles can help when searching for The Deepest Vow?
Other useful title forms are 深海之誓 and shen hai zhi shi.
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