Harold and daughter Demi are critically injured in a riot,with Demi fighting for her life. When the hospital faces a Type A blood shortage, his wife Violet signs away the life-saving blood to save Jack, son of her first love Nate, who claims the boy has leukemia. She abandons her dying daughter without hesitation.Heartbroken after six years of devotion, Harold resumes his hidden identity as heir to the powerful Summit Group. He saves Demi and disappears. Finding Harold's abandoned phone filled with loving messages and final farewell, crushing regret overwhelms Violet.
William Coffey and Shelly Richards had been together for years, deeply in love. But just before they could get married, tragedy struck—William's sister Lea died in an incident involving Shelly's younger brother. The Coffey family was devastated and blamed Shelly, their grief turning into resentment. While William was in the hospital, his mother forced Shelly to leave. At the time, Shelly was already pregnant, but with nowhere to turn, she had no choice but to leave the country. Five years later, Shelly returned and ran into William again. The feelings he had buried for so long came rushing back. He still resented her for disappearing without a word, but no matter how hard he tried, he couldn't stop loving her.
Six years ago, Winni and Chester were a loving couple, until Chester's old friend Ruth returned to the country. Ruth disguised herself with a kind face and became friends with Winni, secretly plotting to replace Winni as Chester's wife. Not long after, Winni became pregnant, but the doctor informed Chester that the child had no blood relationship to him. Chester iced out Winni and gradually grew closer to Ruth. Six years later, Winni's son, Ron, was critically ill with leukemia. Only Chester's bone marrow could save him. In order to please Chester, Winni had to bow down to Ruth. However, during their interaction, she gradually uncovered why Chester thought Ron was an illegitimate child.