At age 28, Chen Mo accidentally is reborn as a 60-year-old, frail, and sickly solitary landlord, awakening the Goodwill Life-Extension System—by using sincere help and support to touch four female tenants and gaining recognition, he can nourish his body and mind and prolong his remaining life. In the posture of an affectionate elder, he silently guards everyone, helping Su Xiao get rid of an unfair contract and stage a comeback; assisting Wen Wan pierce through workplace chaos and hold fast to her initial career aspiration; clearing obstacles for Jiang Ying's dream-chasing and stabilizing her path; and resolving interpersonal crises for Shen Zhixia to escort her safely. From nursing himself in solitude and living lonely days to being genuinely revered by everyone as an adoptive father and regarded as closest family, he treats those around him with gentle kindness, trading his utmost sincerity for several years of peaceful remaining life.