Prepare for the Season 21 finale of NCIS! Special Agent Jessica Knight and Dr. Jimmy Palmer are in for a whirlwind of challenges. In “Reef Madness,” they stumble upon bodies aboard a Navy ship repurposed as a reef, triggering a perplexing lockdown. Director Vance presents Knight with a pivotal opportunity, propelling her to a pivotal crossroads in both her career and personal life. Meanwhile, Jimmy wrestles with the potential conclusion of their romantic entanglement. Will Knight uncover clarity before the summer hiatus? Brace yourself for a riveting episode filled with tough choices and resolution!