TV series

Undercover Us

Name: Undercover Us
Released: 2026
Cast: Ke Ying, Dylan Pan, Akilyar, Yu Cong, Lu Yanbei

2026· 1 season★ 5.0Ended

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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.

Themes

marriage of convenience romance historical fiction costume drama detached unassuming absurd ambivalent bewildered instructive

Episodes

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E1 Episode 1Next upJan 5, 2026 · 14 min
Synopsis
Under 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.
E2 Episode 2Jan 5, 2026 · 14 min
Synopsis
Assassin 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.
E3 Episode 3Jan 5, 2026 · 15 min
Synopsis
After 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.
E4 Episode 4Jan 5, 2026 · 13 min
Synopsis
While 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.
E5 Episode 5Jan 5, 2026 · 15 min
Synopsis
When 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.
E6 Episode 6Jan 5, 2026 · 15 min
Synopsis
As 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.
E7 Episode 7Jan 5, 2026 · 15 min
Synopsis
Compassion 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.
E8 Episode 8Jan 5, 2026 · 14 min
Synopsis
Searching for answers, Xie Ciyuan leads Si Yao toward her buried past but the name “Huanhua Valley” unlocks pain she cannot remember.
E9 Episode 9Jan 5, 2026 · 14 min
Synopsis
Risking everything, Xie Ciyuan sneaks into the lion’s den to see his captive mother — promising freedom as rebellion begins to stir.
E10 Episode 10Jan 5, 2026 · 14 min
Synopsis
A daring prison break exposes a larger conspiracy. Si Yao and Xie Ciyuan uncover ties between the Grand Tutor and the growing wave of disappearances.
E11 Episode 11Jan 5, 2026 · 14 min
Synopsis
Under cover of plague, Si Yao and Xie Ciyuan infiltrate Lu City — where desperate parents reveal the terrifying scale of vanished daughters.
E12 Episode 12Jan 5, 2026 · 14 min
Synopsis
Bloodied but unbroken, Xie Ciyuan closes in on a trafficking ring — as Si Yao uncovers a web linking officials, merchants, and hidden buyers.
E13 Episode 13Jan 6, 2026 · 13 min
Synopsis
A shocking confession reveals Xie Cizhou uses young women’s blood for forbidden alchemy, forcing Si Yao and Xie Ciyuan toward open rebellion.
E14 Episode 14Jan 6, 2026 · 13 min
Synopsis
When 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.
E15 Episode 15Jan 6, 2026 · 15 min
Synopsis
Heartbroken and betrayed, Fang Muwan walks away. Xie Ciyuan, freed from his curse, realizes the cost of survival may be losing her forever.
E16 Episode 16Jan 6, 2026 · 14 min
Synopsis
Identity unmasked, Xie Ciyuan faces execution, until his mother sacrifices herself, breaking the last chain binding him to fear.
E17 Episode 17Jan 6, 2026 · 13 min
Synopsis
Believed dead, Xie Ciyuan secretly escapes toward Huanhua Valley, while Fang Muwan collapses under the weight of grief and doubt.
E18 Episode 18Jan 6, 2026 · 14 min
Synopsis
On the day Fang Muwan agrees to wed Shi An, a dying Xie Ciyuan crashes the ceremony — begging not for love, but for life.
E19 Episode 19Jan 7, 2026 · 14 min
Synopsis
Forced to witness her marriage, Xie Ciyuan collapses in heartbreak, his damaged body finally surrendering to pain.
E20 Episode 20Jan 7, 2026 · 13 min
Synopsis
Choosing love over duty, Fang Muwan stops her own wedding to save Xie Ciyuan, finally confronting feelings she can no longer deny.
E21 Episode 21Jan 7, 2026 · 13 min
Synopsis
As jealousy simmers, Shi An challenges Xie Ciyuan’s presence. Torn between loyalty and love, Fang Muwan stands at the center of a fragile truce.
E22 Episode 22Jan 7, 2026 · 14 min
Synopsis
Empowered by stolen blood, Xie Cizhou grows stronger, while Fang Muwan and Xie Ciyuan prepare for a final reckoning.
E23 Episode 23Jan 7, 2026 · 14 min
Synopsis
War reaches Huanhua Valley. Amid betrayal and sacrifice, Fang Muwan falls into Xie Cizhou’s hands as allies perish.
E24 Episode 24Jan 7, 2026 · 13 min
Synopsis
In 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.