The Hidden Tycoon's Revenge

Arthur Linden hid identity, supported Julian's family. On retirement, mistreated by Julian, Mandy, and Leo. Heartbroken, Arthur, secretly "Mr. William," revokes patents, bankrupting the company. Family discovers Arthur is "Mr. William." Arthur severs ties. They face ruin. They falsely accuse Arthur of plagiarism; he exposes them. Leo injured; family begs Arthur for help. Arthur pays for surgery but maintains severed ties, focusing on career.