Brian Guest

The team take to the beautiful waters off Hawaii to investigate the murder of a deep sea diver known for his valuable shipwreck finds.

The team seeks out the murderer of a navy machinist who had high security clearance. Meanwhile, Sam helps Hetty search for the mole.

Seth visits Dr Roberts in Seattle to ask for his daughter's hand in marriage, and Kaitlin realises she likes Will.

A US spy is in trouble on foreign soil. Walter and Sylvester attempt to extricate her by going undercover at an international chess competition. They hope to save her before her identity is exposed.

Marcel and Blake clash with Shentu when a famous football player needs a liver transplant; Scott is reunited with old friends when their son breaks his arm; Hammer and Charles work together when a patient falls ill after back-alley plastic surgery.

A woman identifies her son as the culprit responsible for a brutal assault that left her husband dead. However, another man's confession to the murder complicates matters.