Hugh Holub

The team travel to Portland to stop a gang of suspected murderers, that appear to be targeting a new victim each night before they can strike again.

Alan desperately tries to avoid bringing his alluring 22-year-old girlfriend to Jake's party, because his mother is concerned about her young age.

Meredith feels left out when Derek breaks ground on his clinical trial; Bailey's new idea does not go over well with the Chief; Callie irritates her new obstetrician.

Charles Durning, the recipient of a World War II Medal of Honour, confesses to murdering his best friend 60 years before.

Emily continues to weave her way back into the Graysons' lives while keeping her ties to Amanda and her unborn child. Daniel tries to get Charlotte out of the addiction recovery centre.

In Chernobyl, Sylvester and Paige become trapped inside a decaying nuclear reactor that the team is trying to repair before a tragic meltdown.