Hard to Repay

Only when the heart is unwilling can there be struggle. Once there is struggle, it becomes a world. Two righteous men were involved in a murder case for no reason. In the process of jointly investigating the case and clearing their grievances, they discovered a bigger secret. People in rivers and lakes are involved in the affairs of rivers and lakes, and they can neither escape nor let go. Who can stick to himself under the thumb of thousands of people, and who can stay true to his resolve when everyone betrays his relatives and leaves?