Former Marine Frank Castle takes the law into his own hands while struggling to come to terms with his traumatic past.

Frank skips the subtlety while interrogating Micro. Brutal memories of top-secret missions shed light on Frank's past.

With Frank in bad shape, Micro calls on Curtis for help. Madani and Russo continue to mix business with pleasure. Lewis stands up for his rights.

Following a deadly explosion, Karen lands in a bomber's crosshairs -- and Frank isn't happy about it. Meanwhile, Curtis makes a grisly discovery.

An attack on a high-profile politician is examined (and reexamined) through different perspectives. Madani faces a painful truth.