Raised in a broken family, Cat runs away from home as a teenager to escape her stepfather. In high school, she begins living with boyfriend Liam, but puppy love eventually ends in betrayal. While Liam is in the army, Cat, feeling lonely and poor, meets an older man through the Internet; Xiao Gu is looking for sex, Cat is looking for money. From lust comes love, until Cat discovers Xiao Gu is actually married. After ten years of ups and downs, Cat begins anew at age 28 when she meets the rich and kind-hearted Sunshine, but is he really her heart's final home?