An old grudge that lasts for thousands of years is in vain, and an oath that lasts for thousands of years is empty. An honest man who was neither ordinary nor mediocre was sentenced to prison for an unexplainable crime. He was already destined to die. Unexpectedly, he was rescued by a kind-hearted adopted daughter and a considerate daughter-in-law. He also formed an indissoluble bond with these two women. He originally wanted to live his life as he should, he wanted to live his life in peace, he wanted to work honestly for his master, but there was an unknown lock that kept him locked up. Little did he know that their encounter was already predestined...