At a Luminary Law consultation, Ms. Watson breaks down that her fiancé—her partner of ten years—is cheating. Ms. Taylor, her lawyer, pushes her to focus on divorce strategy and maximizing assets instead of venting. During the meeting Ms. Watson spots a man doting on another woman and realizes it’s the same man, confirming his infidelity. She insists on delivering the Evans Group partnership proposal herself and brings it to David Evans, the fiancé’s playboy best friend. He accepts the document, flirts, and invites her to a hotel; her reaction is left unresolved.
At a late-night encounter David confronts Kylin after she casually invites him to bed. He accuses her — "You're the fiancee of my best friend" — of using him to numb the pain Zane caused and to humiliate Zane by cuckolding him. Kylin says sleeping with him is thrilling, taunts that ordinary skills no longer excite him, and orders him to "close your eyes." He tries to leave; she asks if he wants her to stay overnight, and Mr. Evans says, "we're both adults here." The episode ends with David facing an unresolved choice: walk away or give in.
At home a woman tells Kylin she may be late because Mr. Brooke set a last‑minute golf meet. Accusations erupt when someone says she slept with her fiancé's best friend; she rebukes Mr. Evans, insisting their encounter doesn't give him the right to pry, and points to the golf trip as cover. Elsewhere she instructs Zoe to collect solid, confidential proof that Zane is cheating — "I want it before the end of the month." A bystander notes she hasn't registered her marriage and asks what all the running around is for, leaving her motive unresolved.
A meddling person confronts David after accusing him of collecting proof of Zane's affair and demands he take a phone call to expose it. They promise to keep David's secret if he cooperates. On the line someone addresses David, then a voice claims, "He's been with me the whole time," and names Jazz Hotel, Room 305. The person on the call brags about multiple women and refuses to leave, taunting David. The episode ends with David frozen, forced to decide whether to expose Zane now or keep silent while the affair hangs over them.
At a dinner guests tease Mr. Evans about his playboy image and warn him to mind his own business. Kylin apologizes to the person who waited up for her: Mr. Brooke dragged them into an all-night golf session. She admits that his post-absence hugs felt like guilt, not love. The mood shifts when someone points at Zane's collar and says, "There's a lipstick mark." That discovery reframes earlier excuses and leaves the group with a new accusation and no immediate explanation.
After the incident, a woman confronts her mother: "He assaulted me." She says David was there too and used her as a shield. The mother first urges letting it go because the attacker is her husband and appears too powerful; a threatening voice even vows, "I'll end it right here." The daughter refuses to stay silent. In the episode's turn the mother changes course—insisting she has pulled every string and will make sure the bastard is jailed in a few days—leaving their safety and the promised arrest unresolved.
At a dinner where a woman publicly thanks Zane, she abruptly says she once loved him but ended the relationship the moment he betrayed her. She announces her sister Kylin has returned from Westland; David arrives and Kylin meets Zane. The mood sours as guests brand Zane a player and demand he explain yesterday's golf-course incident. One guest accuses his fangirls of leaving lipstick on the woman's collar and insists he explain himself to Kylin. The episode ends with Zane cornered and silent, the room waiting for his answer.
At a private moment after a golf outing, David corners Kylin—teasing her about fangirls and comparing golf skills—while Daisy is sent off. Kylin asks why he's suddenly cold; David flirts, pushes boundaries, and boasts that Zane will return any second. When she pushes back, David drops the key revelation: Sharon Stark, Zane's secretary, has been with Zane a long time—ever since Kylin became his fiancée. The accusation upends Kylin's standing and leaves her alone with the disclosure as Zane's imminent return forces an urgent choice.
A family gathering shatters when a woman confronts Daisy, David's fiancée, accusing David of giving himself to someone else since Daisy joined the family. The woman admits sleeping with him, vows to "return the favor," and denies being the supposed Sharon. Daisy meets her sister-in-law Kylin, whose voice feels familiar. A caller then announces, "Jazz Hotel, Room 305 — he's been with me the whole time." The group demands the woman’s identity; the episode ends as the caller says, "It's her...", leaving Daisy with sudden, concrete proof and no closure.
At a hotel lounge David is waiting and co-workers murmur that Daisy finally has a man. Kylin sits down and people notice her distinct voice. Zane presses David about who was in Room 305 last night after his call was picked up by a woman who said they were in that room and told him not to bother them. David acts puzzled and asks, "what do you mean?" The caller's voice nags at Zane—the more he thinks, the more it sounds like Kylin. The episode ends with David cornered and Kylin's presence in Room 305 left unresolved.