There are many examples in the Bible of people being in sin and suffering the consequences. The best ending to their stories are when they repent (if they do) and get forgiven by God and have fruits to show their repentance is more than just words but genuine.
“And he caused his children to pass through the fire in the valley of the son of Hinnom: also he observed times, and used enchantments, and used witchcraft, and dealt with a familiar spirit, and with wizards: he wrought much evil in the sight of the Lord, to provoke him to anger.” 2 Chronicles 33:6
King Manasseh was sacrificing his own children to pagan idols, using fortune tellers and magic, attempting to contact the dead and many other sins. Since he was the king his sins influenced the people of Jerusalem to sin:
“So Manasseh made Judah and the inhabitants of Jerusalem to err, and to do worse than the heathen, whom the Lord had destroyed before the children of Israel.” 2 Chronicles 33:9
God warned Manasseh to repent and get it together or face consequences, but they loved their sin so much they must not have taken God seriously.
“10 And the Lord spake to Manasseh, and to his people: but they would not hearken. 11 Wherefore the Lord brought upon them the captains of the host of the king of Assyria, which took Manasseh among the thorns, and bound him with fetters, and carried him to Babylon.” 2 Chronicles 33:10-11
King Manasseh was suffering and in bondage as a result of his sins and it did not have to get to this point if he would have just repented, but as he finally hit rock bottom he repented and cried out to God.
“12 And when he was in affliction, he besought the Lord his God, and humbled himself greatly before the God of his fathers, 13 And prayed unto him: and he was intreated of him, and heard his supplication, and brought him again to Jerusalem into his kingdom. Then Manasseh knew that the Lord he was God.” 2 Chronicles 33:12-13
God heard his prayer, forgave him and brought him back into Jerusalem. Manasseh then performed fruits meet for repentance and destroyed the idols and altars to false gods and repaired the altar of the LORD and commanded Judah only serve the LORD. This is a great example of how if we keep sinning long enough and ignore God’s warnings we will remain in bondage to our sin until we repent, like Manasseh was. When we repent our repentance should always show fruit, like King Manasseh’s repentance did.
“20 For when ye were the servants of sin, ye were free from righteousness. 21 What fruit had ye then in those things whereof ye are now ashamed? for the end of those things is death. 22 But now being made free from sin, and become servants to God, ye have your fruit unto holiness, and the end everlasting life.” Romans 6:20-22