After losing his memory, the world's wealthiest man Yannis Yates married into the Lowe family in Buston. Upon regaining his memory, he tried to keep his wife in every possible way. But Yannis, whose occupation was belittled by people as a construction worker, faced criticism that caused distress to his wife. After reclaiming his true identity, Yannis decides to surprise his wife by acquiring Moon Jewelry Group. Meanwhile, his rival Caleb Wright, in an attempt to propose to Xandra Lowe by offering her the position of General Manager at Moon Jewelry, ended up humiliated.
