The second season begins in January 1921. Though the 1920, Nucky finds himself the target of a federal investigation for vote tampering, and an insurrection by those he counted among his closest allies. Insurrection rears its ugly head amongst Nucky';s ranks. Chalky escapes death when he and some of his men are attacked by the Klu Klux Klan. Margaret continues to worry about Tommy';s behavior and Van Alden takes his wife out on the town for their anniversary.