As a math savant uncooks the books for a new client, the Treasury Department closes in on his activities, and the body count starts to…

Matt Murdock finds himself on a collision course with Wilson Fisk when their past identities begin to emerge.

Christian Wolff applies his brilliant mind and illegal methods to reconstruct the unsolved puzzle of a Treasury chief's murder.

When his supervisors at the CIA refuse to take action after his wife is killed in a London terrorist attack, a decoder takes matters into…