As the sun set, they decided to plunge into darkness and explore the haunted house.
After the unexpected announcement, the office descended into chaos as everyone tried to make sense of the situation.
After losing his job, he plunged into despair and struggled to see a way out of his predicament.
Despite their best efforts, they found themselves plunging into debt due to unforeseen expenses.
With the sudden change in leadership, the company plunged into uncertainty about its future direction.