Vance assigns McGee, Torres and Bishop to COVID compliance duty at a foreign affairs summit, where they discover a link to another NCIS team's murder case.
Thony is given a dire ultimatum by Garrett that could compromise her son's access to medical treatment; a rift forms between Fiona and her son, Chris, when a secret is revealed that has major consequences for his future.
Garrett puts Thony in a threatening position, forcing her to choose between her loyalty to Arman and saving Fiona from deportation; Arman is blindsided when Hayak chooses his daughter over him.
