Serena's husband Ethan Grant brings nanny Lianne Lane. Serena files for divorce. Lianne Lane is Flora Lane, who colluded with Serena's father Clay Crawford to harm Serena's mother. Ethan Grant and Clay Crawford repeat scheme: discredit Serena, seize child and company. Serena collects evidence of infidelity, conspiracy, and harm to infant. She exposes them, secures divorce, regains child and company. She investigates the old case.