某日,为了保护地球,六位男女突然被聚集到了一处。毫无使命感的六人究竟能否守护地球呢?他们作为地球防卫军的一员,出身各不相同,但他们都在月球上收到了阻止外星人侵略的使命。而阻止外星人侵略的手段也非常简单粗暴,即“嘴炮”。面对各种稀奇古怪的外星人的袭击,曾经散乱的六人因为“嘴炮”而产生了或有或无的友情!。Single thirty-somethings Jordin, Ava, and Stella are best friends and an art, math and English teacher respectively at Garden City Collegiate. It's just before the Christmas break, and Jordin believes they have lost their mojo each for a different reason, they not having done anything exciting as friends in years. Jordin is still recovering from a break-up in the summer to her ...。