Joyce Guy

A sexually transmitted disease infects several members of hospital staff. Izzie and Cristina worry about a patient whose wife and daughter are at odds over his care. A bombshell is dropped just as Meredith and Derek grow closer.

The team investigate the discovery of a corpse that has been dyed in a blue substance. Meanwhile, Booth tries to boost Bones' confidence.

Izzie believes she may be moving on from Alex when she realises she is attracted to a male heart patient.

The doctors compete for Richard's affections; a surgical patient endangers the lives of those around her; Meredith's mother, who has Alzheimer's disease, experiences a change in her medical condition.

Lisbon accepts Jane's surprise marriage proposal, but a killer's quest for revenge may cost them the happy ending they've worked so hard to achieve.

Chef Nicholas closes the pastry school and leaves for France with his wife. Deke invites Max and Caroline to dinner with his wealthy parents at their extravagant home.