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Once Your Maid, Always Your Shield Full Episode
001
Hailey Lloyd wakes up in a strange era as Willa’s daughter, sharing the same name, and is snapped at by a rude household girl who threatens to have the maid fired. Servants whisper the household is on edge because the real Smith heiress—switched at birth twenty years ago—is returning. Hailey's flashback reveals she once served Natalie Smith, rose with her to a high concubine and oversaw the imperial harem for forty years. Tension peaks when an official decree crowns Natalie empress and she appears; a servant cries, "My lady, I've missed you so much."
002
Natalie returns and confronts the woman who now occupies her life. The woman admits, "since I stole your life, I should leave," but Mom, Dad and Ryder refuse to accept Natalie and call her a blood-related stranger. The claimant taunts Natalie, orders her kept in a storage room, and instructs servant Willa to clean it. House staff mock Natalie as an adopted, lesser person. The episode ends with Natalie humiliated and pushed into the storage room, locked into servitude and forced to decide whether to leave or reclaim her place.
003
A long-serving maid slaps an adopted young woman after a confrontation, sparking a household attack. The adopted daughter, Hailey, is shouted at as relatives threaten reprisal—saying they'll have "Dad" fire her, call her shameless, and argue an adopted girl should be expelled. Insults escalate into humiliation over her place in the Smith household and accusations about not being the real daughter. With no defense, Hailey is ordered out and told to move into the storage room, ending the episode with her forced isolation and the immediate threat of being thrown out.
004
Hailey is shoved out of her bedroom when Miss Natalie Smith, a noble, claims it and forces her into a storage room; servants mock and threaten her with homelessness while the parents are away. After the bullying, an ally admits, "You stood up for me, but I'm powerless to protect you," then reveals they carry the late empress's knowledge and a plan. They volunteer to teach Hailey music, art, and business skills so, as eldest daughter, she can press a claim on the Smith Group. The episode ends with their decision to train, the household power balance unresolved.
005
Parents discover Mila was forced to live in a storage room by Natalie, the family's biological daughter, and explode in outrage. Mila insists she won't complain to avoid ruining Ryder's bond with Natalie, but her parents and Ryder refuse to accept this; Ryder vows to protect her and promises to confront the "country bumpkin." The conflict escalates when Natalie coldly offers a card with $1 million, saying 'Take it and get lost' and claiming she'll be the sole heiress. Mila rejects the money and prepares to leave. Ryder returns to confront Natalie, demanding, "Who are you trying to kick out?"
006
When someone confronts Mr. Ryder Smith for trying to kick out Natalie, a scuffle breaks out. A woman is grabbed and ordered out; another intervenes, shouting that her brother is off-limits and demanding the abuser apologize for making her sister, Mila, cry. The accused sneers, calls her a maid and refuses, insulting her as a country bumpkin. Pressure rises when someone says their parents are home. A shaken apology ("I'm sorry.") calms the clash, but the aggressors vow to tell Mom and Dad and have both expelled. Hailey is left shaken and checked; the outcome hangs.
007
At a tense family scene Natalie, the country girl brought home, seizes Mila's room, throws out her things and even strikes a household member, who shows a swollen backside. Parents scold Natalie while Mila insists it's her fault and reveals Ryder was beaten by a servant because of her. Mila vows to enter an international music competition and promises that if she wins she'll leave the Smith family to avoid dividing them. Her parents refuse to let her go and praise her upbringing over Natalie. Left unsure of belonging, she whispers, "Perhaps I'm the real outsider here."
008
Natalie returns to the Smith household and is presented to her parents. Someone at the scene insists that adopted Mila, however capable, "doesn't carry the Smith blood" and accuses her of bullying Natalie; it is said Mila was disciplined "to protect the Smith family's dignity." Mila is ordered to apologize, but the mother delays it. The family is told to accept tea from Natalie as a formal welcome. At the tea, Dad says, "I object," while Mom replies, "I approve," splitting the household. The episode ends with the ceremony stalled and the family's decision about Mila left unresolved.
009
Natalie's return sparks a formal homecoming: as the heir she must perform the centuries-old Blessing Salute and serve homecoming tea to Mr. Vincent Smith. Relatives loudly denounce her as a mere servant's daughter and an adopted outsider, trying to block the ritual and claim the honors. Vincent stays silent until he accepts her tea and declares, "From today onward, you're officially recognized as part of the family," refusing to abandon her. His public decision secures Natalie’s entry but ignites family outrage, leaving the household split and her immediate standing in the family unsettled.
010
Grandpa appoints Hailey to teach three children and accompany them to the elite school to fix the household's bad atmosphere. On the first day Hailey is to guide Natalie, but Natalie arrives without the required uniform or badge. Wealthy classmates mock her, calling her a 'bumpkin,' and one vows to block her entry. At the gate someone exposes that Natalie's uniform was thrown away to humiliate her and confronts the saboteur: 'You threw away her uniform... So I won't show any mercy.' The episode ends with the sabotage exposed and Natalie's admission left unresolved.