Baek Hyun-woo e Hong Hae-in vivono una relazione tesa, sia a casa che al lavoro. Dopo aver preso una decisione per il futuro, Hyun-woo fa visita alla famiglia.

Quando Hae-in rivela la sua triste notizia a Hyun-woo, lui inizia a trattarla bene. Il vecchio compagno di classe di Hae-in torna in Corea ed entra a far parte del Queens Group.

Hyun-woo trova prove preoccupanti dopo aver salvato Hae-in dall'attacco di un cinghiale. Nel frattempo, i due si accorgono che i loro sentimenti perduti si stanno riaccendendo.

Yoon Eun-sung si intromette sempre più nella vita di Hae-in e Hyun-woo inizia a esserne geloso. Più tardi Hae-in fa visita a Baek Du-gwan proprio nel momento del bisogno.

Hyun-woo e Hae-in cercano di gestire i loro complessi sentimenti mentre trascorrono del tempo nella città natale di lui. In seguito, Hae-in riceve brutte notizie sulla sua diagnosi.

Hyun-woo arriva a sorpresa a Berlino per garantire le cure a Hae-in. Intanto in Corea, Hong Man-dae affronta un momento difficile della sua azienda.

Feeling betrayed by Hyun-woo, Hae-in pushes him away and becomes cold. Back in Korea, Hyun-woo begins to unravel a scheme against Hae-in's family.

Despite being in a tense situation with Hae-in, Hyun-woo remains firm about staying in the company as his suspicions towards Eun-sung grow even stronger.

Hae-in and her family go into hiding in Hyun-woo's hometown to figure out their next move. Eun-sung discovers the truth about Hae-in's health.

Eun-sung tracks down Hae-in, presenting her with an ultimatum. Meanwhile, Hyun-woo skillfully uses leverage to get Grace Ko on the Hong family's side.

Hae-in makes a shocking announcement at a press conference. Hyun-woo launches a risky evidence-collecting crusade to save Queens Group.

Hae-in's symptoms worsen as she suffers from hallucinations, which Eun-sung takes advantage of. Soon after, Hyun-woo finds himself captured and in danger.

The Hong family initiates a counterattack against Seul-hee and Eun-sung. Hyun-woo and Hae-in get to experience a freshly renewed life as 'newlyweds.'

After Hae-in shows hesitation about the surgery, her loved ones try to persuade her. Meanwhile, Eun-sung heads to Germany with a sinister plan.

As Hae-in recovers from surgery, Eun-sung tries to stay right by her side. Meanwhile, Hyun-woo searches for evidence to vindicate himself.

Eun-sung executes his final plan to make Hae-in his own. As she tries to escape from his grasp with the help of Hyun-woo, will they finally find peace?