Who Tampered With My Door Lock?

About the story

Cybersecurity expert Jiang Mu discovers that his father-in-law's family have illegally registered their fingerprints in his home's smart door lock. Faced with emotional pressure from his family and improper conduct by the property management company, he stands by his principles, reports the matter to the police, and demands accountability. He later discovers that his father-in-law is involved in a scam targeting retirement savings. Using his professional skills, Jiang Mu helps recover the losses, ultimately resolving the family's crisis of trust and restoring harmonious relations.