Eighteen-year-old Zhu Yu unexpectedly travels back in time to 2010, arriving in her parents' college years. Determined to prevent the tragedies of her mother's early death and her father's brutal demise, she sets out to break her parents up. But amid a series of hilarious and heartwarming moments, she finds herself showered with overwhelming affection by her cool, fiercely protective mother, her charmingly rebellious and resilient father, and her young family members. Unexpectedly becoming the whole family's beloved darling, she embarks on a healing journey of love and mutual devotion across time.