Ke Ying
Fang Muwan / Si Yao
Series
Watch Undercover Us (2026) Online
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Synopsis
After betrayal drives Huanhua Valley into exile, its heiress Fang Muwan rebuilds her life—only to be drawn back into turmoil when an assassination case exposes the masked leader of Wufeng Pavilion as her former husband, Xie Ciyuan. As tyranny tightens its grip on the realm, old love and deep grudges resurface, forcing her to choose between the fate of a nation and the heart she once tried to forget.
Episodes
Season 1
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1. Episode 1Now viewing2026-01-0514mUnder tyrant Xie Cizhou’s brutal rule, assassin Si Yao survives a lethal trial to join Wuming Pavilion. A chance encounter with seemingly frivolous prince Xie Ciyuan sparks an alliance neither fully understands.
2. Episode 22026-01-0514mAssassin bride Si Yao enters a marriage of deception with prince Xie Ciyuan — each plotting against the other, while tyrant Xie Cizhou watches with dangerous amusement.
3. Episode 32026-01-0515mAfter a failed assassination, Si Yao and Xie Ciyuan perform a flawless cover-up. When he realizes she can calm the deadly parasite inside him, suspicion turns into something far more personal.
4. Episode 42026-01-0513mWhile exposing corruption, Si Yao earns the quiet support of Xie Ciyuan. A hidden message reveals a darker conspiracy and missing women tied to powerful men.
5. Episode 52026-01-0515mWhen poison leaves Si Yao near death, Xie Ciyuan drops his mask to save her. A desperate kiss binds their fates — as secrets between them deepen.
6. Episode 62026-01-0515mAs trust falters, Si Yao learns Xie Ciyuan is bound by a parasitic curse planted by his sister, Xie Cizhou — a weapon of control forged in blood.
7. Episode 72026-01-0515mCompassion turns intimate as Si Yao soothes Xie Ciyuan’s agony. But clues hidden in her blood suggest a past tied to the mysterious Huanhua Valley.
8. Episode 82026-01-0514mSearching for answers, Xie Ciyuan leads Si Yao toward her buried past but the name “Huanhua Valley” unlocks pain she cannot remember.
9. Episode 92026-01-0514mRisking everything, Xie Ciyuan sneaks into the lion’s den to see his captive mother — promising freedom as rebellion begins to stir.
10. Episode 102026-01-0514mA daring prison break exposes a larger conspiracy. Si Yao and Xie Ciyuan uncover ties between the Grand Tutor and the growing wave of disappearances.
11. Episode 112026-01-0514mUnder cover of plague, Si Yao and Xie Ciyuan infiltrate Lu City — where desperate parents reveal the terrifying scale of vanished daughters.
12. Episode 122026-01-0514mBloodied but unbroken, Xie Ciyuan closes in on a trafficking ring — as Si Yao uncovers a web linking officials, merchants, and hidden buyers.
13. Episode 132026-01-0613mA shocking confession reveals Xie Cizhou uses young women’s blood for forbidden alchemy, forcing Si Yao and Xie Ciyuan toward open rebellion.
14. Episode 142026-01-0613mWhen Shi An reveals Si Yao is truly Fang Muwan, lost heir of Huanhua Valley, her memory returns — along with the devastating truth that Xie Ciyuan used her heart’s blood.
15. Episode 152026-01-0615mHeartbroken and betrayed, Fang Muwan walks away. Xie Ciyuan, freed from his curse, realizes the cost of survival may be losing her forever.
16. Episode 162026-01-0614mIdentity unmasked, Xie Ciyuan faces execution, until his mother sacrifices herself, breaking the last chain binding him to fear.
17. Episode 172026-01-0613mBelieved dead, Xie Ciyuan secretly escapes toward Huanhua Valley, while Fang Muwan collapses under the weight of grief and doubt.
18. Episode 182026-01-0614mOn the day Fang Muwan agrees to wed Shi An, a dying Xie Ciyuan crashes the ceremony — begging not for love, but for life.
19. Episode 192026-01-0714mForced to witness her marriage, Xie Ciyuan collapses in heartbreak, his damaged body finally surrendering to pain.
20. Episode 202026-01-0713mChoosing love over duty, Fang Muwan stops her own wedding to save Xie Ciyuan, finally confronting feelings she can no longer deny.
21. Episode 212026-01-0713mAs jealousy simmers, Shi An challenges Xie Ciyuan’s presence. Torn between loyalty and love, Fang Muwan stands at the center of a fragile truce.
22. Episode 222026-01-0714mEmpowered by stolen blood, Xie Cizhou grows stronger, while Fang Muwan and Xie Ciyuan prepare for a final reckoning.
23. Episode 232026-01-0714mWar reaches Huanhua Valley. Amid betrayal and sacrifice, Fang Muwan falls into Xie Cizhou’s hands as allies perish.
24. Episode 242026-01-0713mIn a brutal final clash, Shi An sacrifices himself, Xie Cizhou falls, and love proves irreversible. Years later, Fang Muwan and Xie Ciyuan rule apart — bound by memory, not destiny.
Cast
Top Billed Cast
Dylan Pan
Xie Ciyuan / Wu Feng
Akilyar
Shi An
Yu Cong
Liu Ruyue
Lu Yanbei
Xie Cizhou
Chen Guoliang
Chen Lin
Hu Jingyu
Xie Yingchuan
Dai Shaodong
Chu Yi
Yan Feng
Fang Yu
Availability
Where To Watch Legally
No legal streaming, rental or purchase options for Undercover Us were reported for this region.
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FAQ
Frequently Asked Questions
Is Undercover Us available to watch online?
Vidbox does not currently have a legal streaming, rental or purchase option on record for Undercover Us in this region.
How many seasons does Undercover Us have?
Undercover Us has 1 season and 24 episodes.
When did Undercover Us first air?
Undercover Us first aired in 2026.
Is Undercover Us still running?
Undercover Us's status on TMDB is: Ended.
What genre is Undercover Us?
Undercover Us is classified as Drama.