While returning from the welfare center, Do-yoon narrowly saves Wan-soo's life from an explosion. Wan-soo asks for Do-yoon's help to retrieve the original copy of the NOW Foundation's ledger to catch the culprit within Hwain Group.

Wan-soo's brother gets arrested for embezzlement. Wan-soo visits Busan under Do-yoon's protection, but faces another attack.

Furious over the scandal fabricated by his mother, Yong-kook vents his long-standing anger at his mother. Meanwhile, the former chairman's will is disclosed, shocking everyone.