Five-year-old Tina tries to gain weight so she can donate bone marrow to her blind mother Jessica Sullivan, who suffers from leukemia. Misunderstood for her love of fatty food, she only wishes to save her mother's life. Years ago, Jessica lied about cheating and losing their child to leave her blind lover Sanford Hughes, hiding her illness and secretly giving birth to Tina after donating her corneas. Now a powerful CEO, Sanford meets Tina by chance. His mother suspects the girl is his daughter and orders a DNA test. When Jessica briefly regains her sight and sees the man she once loved, the truth finally comes out — Tina is their child!
