When a Venezuelan migrant is accused of murdering a prominent congresswoman whom he and his wife were staying with, McCall and the team work to uncover whether or not he was involved. Meanwhile, Aunt Vi tries to look after a student who seems to be experiencing distress at home.

When Fisk tasks McCall with tracking down an ex-MI6 agent in Paris with whom she had a past relationship, she must convince him to help her track down a crucial document that his friend was hiding. Also, Delilah faces discrimination at her new fashion internship.