A late-night report of grand theft auto leads to a brutal attack on an officer; An SUV crashes through the wall of a house and causes a devastating explosion; A man shoots two women before training the gun on the detective who tries to rescue them.

Police must break into an apartment to save the lives of two women as their machete-wielding attacker leads officers on a dangerous pursuit. In Wisconsin, a winter storm causes a multi vehicle pile-up with emergency services battling to free the injured.