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Sin Behind The Smile Full Episode
001
At the International Medical Award ceremony, Dr. Lindsay Gilbert surprises everyone by declining lucrative offers abroad, revealing she wants to leave her career to care for someone she loves. However, at her wedding to Harley, the groom is absent, later revealing his true feelings lie with another woman, Selena. Harley confronts Lindsay coldly, declaring she is only marrying into his family to serve as a blood donor for Selena, who has anemia. Lindsay pleads for understanding, but Harley's harsh treatment escalates as he orders others to restrain her, leaving her trapped and desperate as the episode ends.
002
Harley confronts the harsh reality that his decade-long hope of being with Selena was just wishful thinking as he is forced to become her mobile blood bank. Despite feeling unwell, he arrives at the hospital for another blood donation, questioning why the cycle must continue. He accuses someone of causing Selena's suffering, including forcing her to kneel in the rain, resulting in a miscarriage, and stealing her status as his wife. Harley reveals he tried to get a divorce through his grandmother, but she refused. The episode ends with Harley feeling dizzy and being rushed for urgent treatment, leaving his fate uncertain.
003
A woman confronts a dying man, revealing she was never actually pregnant and faked it to marry Harley, who believed their child was lost and now hates her. The woman exposes Harley's deep resentment and vows to claim the Lambat family fortune, thanks to her family's secret formula, while condemning the man to die alone with a ruined reputation. She also announces her marriage to Harley will be publicly celebrated on the dying man's birthday, intending it as a final insult. The episode ends as the man vows revenge, hinting at unresolved conflicts ahead.
004
A woman wakes up in the hospital, confused about being alive after supposedly dying. She realizes she was reborn and recalls being forced to donate blood to another woman, Selen, whose condition hasn't improved despite the transfusion. The decision to keep taking blood from her risks her own life, but she refuses to sacrifice herself again. Confronting Harley, who manipulated her into the dangerous donation, she vows revenge, saying, "This time, I want you to pay back in blood." The episode ends with her determined to fight back against those who betrayed her.
005
Lindsay wakes up to accusations that her organs were taken to feed dogs, revealing a cruel and controlling environment. Despite being weak, Lindsay resists a forced blood transfusion intended to help Selena, who is suffering from an illness. Lindsay exposes that her blood type is incompatible with Selena's, which would worsen Selena's condition. The conflict escalates as Lindsay challenges the deceit behind the transfusion, putting the intentions of those around her in question. The episode ends with uncertainty over Selena's response and the consequences of Lindsay's refusal.
006
When Selena experiences a sudden health crisis from a dangerous blood mismatch, Lindsay forcibly intervenes using traditional bloodletting therapy to extract the incompatible blood, despite Selena’s protests and fear of death. Harley watches helplessly as Lindsay insists it’s the only way to save her life, revealing the risky medical history and the family's legacy in medicine. Selena realizes blood type differences were deliberately concealed, sparking suspicion of a deeper scheme. The episode ends with Selena accusing Lindsay of trying to kill her, leaving their conflict and Selena's fate uncertain.
007
Selena faces harsh accusations from Lindsay and Harley after the loss of her child, with Harley blaming Selena for the tragedy and supporting Lindsay’s claims. Selena repeatedly apologizes, admitting guilt and anguish over the lost child and its impact on everyone involved, but Lindsay rejects her remorse, demanding restitution and accusing her of deception. The confrontation escalates as Lindsay challenges Selena’s truthfulness about the child’s existence, mocking Harley’s blind loyalty and hinting that Harley may have been manipulated. The episode ends on a tense note as Lindsay prepares to expose a possible secret about the child, threatening to upend Harley’s trust.
008
Harley confronts Lindsay over her cruel remarks about his miscarriage, accusing her of deliberately hurting Selena. Lindsay denies ever being pregnant and lashes out, but Harley insists Lindsay caused Selena's miscarriage and ruined her happiness. The argument escalates as they trade blame over infidelity and the tragic outcome, culminating in physical violence when Lindsay hits Harley. Unmoved, Harley declares he will no longer tolerate her behavior and announces his decision to divorce, leaving their conflict unresolved and setting a decisive turning point in their strained relationship.
009
In this episode, a woman demands a divorce from her husband, accusing him of exploiting their marriage for fame and fortune within the influential Lamber family. The husband counters that his family has depended on her, reminding her of the ancestral secret formula she shared. Despite past support, she insists the marriage is over. Tensions rise as he warns her to behave at his grandmother’s upcoming birthday banquet or face consequences threatening her sickly brother. The episode ends with his ruthless vow to make her suffer, revealing deep-seated grudges from a previous life, setting up a brewing confrontation at the family event.
010
Chelsea asks a friend to find a divorce lawyer so she can draft an agreement to end her marriage with Mr. Lambert. The friend immediately sends her the lawyer's contact and offers her a place to stay. Meanwhile, Mr. Lambert arranges special nutrition for Mrs. Lambert, ensuring no one will discover a secret hidden in her food. Elsewhere, someone instructs an associate to sell a valuable house quickly within three days, promising double payment. Chelsea reflects on sacrificing her career to marry into the Lambert family and vows to become stronger and wealthier to seek revenge.