A disease wipes out all the citizens of a town, except for those age 21 and under.

The remaining citizens collect the dead bodies to be burned and hope the quarantine will be lifted.

The power goes out across Pretty Lake, cutting off all communication.

A teacher fears she may be the virus' next victim; Chuck institutes a harsh and public punishment.

While power has returned, the remaining residents of Pretty Lake are without communications.

The government arrives in Pretty Lake with a cure; Adam has information that may save lives.