Helen Eigenberg

When a commander in charge of a shipment of nuclear weapons disappears, the NCIS team are called in. The team must solve the case before the kidnapper finds out the secret location of the nuclear weapons or harms the commander.

Mark is stressed and exhausted from studying for an important entrance exam so Darlene steps in to help, but her plan backfires.

Dan encounters a surprise visitor who shares some unsolicited advice, leaving him feeling guilty; Darlene welcomes a new employee to Wellman Plastics.