Six‑year‑old lies separated construction worker Ethan and CEO Vivian. They reunite at a construction site, where their seriously‑ill daughter Lily urgently needs a marrow transplant. Gavin, the scheming adoptive brother, tampers with DNA reports and repeatedly endangers their lives. Ethan uncovers the complicated conspiracy and donates marrow to save Lily. They overcome family conflicts, bring the villain to justice, and rebuild their ordinary yet happy family.
