不久前刚刚得知自己怀孕的艾玛（布丽特·摩根 Brit Morgan 饰），怀着异样复杂的心情随同尚不知情的男友麦克（希斯·戴维·米切尔 Seth David Mitchell 饰）来到一处位于雪山冰原之间的小镇度假。无垠旷野，万籁俱寂，看似一切都是那么浪漫美好，但是他们驾驶雪地摩托时遭遇事故，二人相互搀扶，勉强回到帐篷。在完全没有信号的深山腹地，麦克他们不仅要对抗严苛冰冷的自然环境，还要承受莫大的精神压力尽快修好雪橇摩托逃离此地。
在此过程中，二人间爆发着争吵，而更大的危机正渐渐向他们逼近。直到某天，艾
Simultaneously appearing over every major city in the world, the Visitors (or V's) arrived offering us the wonders of their technology and promoting peace. While the world quickly embraced the V's as saviors in ABC's &a
Following the crew of the patrol boat HMAS Hammersley, as they patrol the northern sea border of Australia. They have to deal with foreign fishermen poaching fish, smugglers and with political unrest in a neighbouring island state.
