The Misdirected Vow

Premise

Su Wan Yi is the eldest daughter of the Su family, and she learned early how little room a house can give her. Her father's infidelity and her mother's suicide have pushed her to the edge of family life, while her illegitimate half-sister Su Yu Wei and Su Yu Wei's mother sit near the center of it. The opening episodes make every slight land, and that is deliberate. The series wants you to understand why Su Wan Yi keeps her guard up when a stranger starts paying attention to her.

That stranger is Ji Han Chuan, president of the Ji Group. He mistakes Su Yu Wei for the anonymous benefactor who helped him through a critical crisis. He hides his real identity and applies to become Su Wan Yi's special assistant, so he can stay close to the woman he believes saved him. The plan sounds tidy in his head. In practice he gets close to the wrong sister.

Characters

Su Wan Yi carries the emotional weight of the story. She starts out as someone who has been taught to expect nothing, and her warmth toward Ji Han Chuan grows in spite of his coldness and distance. Ji Han Chuan is powerful and guarded, and he is wrong about the one thing that matters most. His remorse arrives only after the truth comes out.

Su Yu Wei is the antagonist the synopsis leans on hardest. Her jealousy drives a run of malicious schemes, and the story makes clear that she eventually faces the consequences. Gu Chen Zhou is the third major figure. He is in a coma when the marriage is arranged, then wakes up and falls deeply in love with Su Wan Yi. The synopsis does not give him much backstory beyond that, so his role lives mostly in how he reacts to her.

Main arc

The turning point comes when Su Wan Yi learns who the benefactor really was. Her heart turns to ashes, and she agrees to marry the comatose Gu Chen Zhou in Su Yu Wei's place. That single decision sets up a three-way pull: a husband who is not yet awake, a CEO who regrets his mistake, and a sister who refuses to let go of what she wants.

The back half belongs to Ji Han Chuan's campaign to win her back. The synopsis says his path is fraught with countless obstacles, and the story treats each one as a test of whether his apology is real. Gu Chen Zhou's awakening adds the other side of the triangle, so both men's sincerity stays in play until the end.

Themes & tropes

This is a CEO romance built on a misidentification. The hidden identity is the engine. The benefactor mix-up drives every choice, and the lie of omission costs Ji Han Chuan the trust he needed most. Betrayal runs underneath the romance, since Su Yu Wei's schemes are a big part of why the family house is so dangerous for Su Wan Yi.

As a convention of the genre, wealth works as a backdrop for emotional reckoning. The boardroom mostly frames who gets believed. The real question is whether affection can survive a deception that was never meant to hurt anyone, and the triangle with Gu Chen Zhou keeps that question open.

Why viewers watch

Viewers come for the slow reversal. Su Wan Yi begins powerless in her own home, and watching her decide what she wants is the satisfying part. Ji Han Chuan's regret is the second hook, because the series makes him earn forgiveness rather than handing it over. The comatose-husband twist and the sister's downfall give the 79 episodes a steady supply of turns.

The pacing rewards patience. The back half is where the consequences land, which suits anyone who enjoys a long game of pursuit, jealousy, and eventual justice.