The worsening storm overwhelms the ER, forcing Danny to make tough choices. Tom must rise to the occasion when someone close to him is injured.
As the building’s inhabitants begin to suffer the fatal effects of the EMP bomb, Errol, Caspar and mysterious newcomer Dom realize Jaz has a survival advantage that could save them all.
Bastian tries to find out what Samir is not telling him. Erik is paid a visit by his criminal half-brother, Oliver, and Sophie is trying to hide her grief.