After an architect duo who specializes in designing secure buildings is kidnapped, the NCIS team mounts a search to bring them home. Also, Deeks and Kensi realize they may need to get Rosa some help with her schoolwork, and Anna considers a career outside of law enforcement.

When Aiden Hanna's plane crashes and he is accused of being at fault for the accident, the NCIS team must investigate to clear his name. Also, Rountree considers how he wants to handle the aftermath of the incident with the LAPD and Sam finds a new caretaker for his father.