Marcus Chait

When a naval commander is murdered, an old friend contacts Gibbs. His friend, now a senator, believes he's being framed because of his connection with the commander.

Don and his team race against time to find and free an artist abducted by ruthless counterfeiters to work on their illegal project, fearing that she will be killed once she has outlived her usefulness.

Don must re-open one of his old cases when a man under investigation for stock fraud is found strangled in his home in a manner reminiscent of the earlier case.

The club investigate a drug ring being run out of a nursing home; Lindsay reluctantly accepts an invitation for a date; Jill takes a big step in her romantic life.

A man willing to kill or die for a diagnosis takes House, Thirteen and a number of patients hostage in Cuddy's office, where House attempts to come up with the correct diagnosis.

The sisters realise that baby Wyatt's imaginary friend is actually a demon intent on corrupting Piper's child.