Matt Lewis

Devon's doubts about his relationship reach a peak as his friends and family gather for his big wedding day; as Chastain's medical device company continues to succeed, Julian makes a discovery that leaves her uneasy about her involvement in it.

When a researcher with the Department of Defence is found dead, Nell must put her high IQ to the test when she goes undercover as his replacement. Meanwhile, Hetty's ability to lead the team is questioned.

Crane and Abbie are forced to make alliances with some dangerous enemies when a new threat appears in Sleepy Hollow.