When Lin Xia returned home, she bumped into her father Lin Guoliang about to hand a bank card to a stranger project party. Relying on suspicions such as sample wear and process loopholes, she launched an investigation, and a conceptual conflict erupted between the father and daughter. After some dispute, the two chose to join hands, seeing through this investment scam and cooperating with the relevant departments in the investigation. When the storm subsided, the father and daughter untied their long-standing knot in their hearts. The light at their home's doorway that was always on also transformed into a warm symbol that "home is always waiting for you".