(⁠KST⁠).⁠[3]⁠ It is also available for ⁠streaming⁠ on ⁠TVING⁠ in South Korea, and on ⁠Amazon Prime Video⁠ in selected regions worldwide excluding South Korea and China.⁠[8]⁠⁠[9]⁠The series begins with the events on April 12, 2023, where Kang Ji-won is terminally ill with gastric cancer. After catching her husband, Park Min-hwan, in bed with her best friend, Jeong Su-min, a scuffle ensues in which Ji-won is accidentally killed by Min-hwan. Ji-won then suddenly finds herself at her workplace in the year 2013, having been sent back in time following the intervention of her late father's spirit. As she relives her life with the same knowledge and information as in the previous timeline, she discovers that in order to live a better life, she must transfer her misfortune to others. She then resolves to have Su-min marry Min-hwan in order to exact revenge and escape her miserable fate.As the series progresses, she finds out that her manager, Yoo Ji-hyuk, was also sent back in time following his death in a car accident. Ji-hyuk, who knows that Min-hwan was behind Ji-won's death and, having fallen in love with Ji-won in the previous timeline, resolves to protect Ji-won at all costs. After manipulating Su-min into marrying Min-hwan, Ji-won begins a relationship with Ji-hyuk, but his ex-fiancée, Oh Yu-ra, interferes.During the latter half of the series, Yu-ra recruits Su-min and Min-hwan to aid her in her attempt to kill Ji-won, but Su-min and Min-hwan's relationship dissolves as Min-hwan has an affair with Yu-ra. Meanwhile, Ji-won's colleague and friend, Yang Ju-ran, ends up unintentionally acquiring Ji-won's cancer from the previous timeline. Fortunately, the cancer is detected in time for Ju-ran to receive medical treatment early, seemingly sparing both Ji-won and Ju-ran from the fate of dying young from cancer.By the end of the series, Min-hwan is killed by Su-min, Su-min is arrested and incarcerated, and Yu-ra died in a car accident after her attempt to murder Ji-won is exposed and right before she planned to flee Korea. The series ends with Ji-won and Ji-hyuk going to an art exhibit on April 12, 2023. Having successfully avoided their misfortunes from the previous timeline, Ji-won and Ji-hyuk have married, had children, and seemingly live the rest of their lives in peace.⁠[10]⁠Plot[⁠edit⁠]