Two single parents of young daughters, grow closer as they contribute to each others' projects - Cadence with the wedding and Henry with his high-pr

　　道电光划过长空并碰撞城自然历史博物馆。原来是一艘宇宙飞船，外来异兽为了适应地球环境，遂捉住了地球生物－－展馆内冰冻的巨大猛玛。冰冻的４万年前古老猛玛得到解救，巨大猛玛逃出博物馆凶性大发，整个城市瞬间陷入凶猛的铁足之下，到外一片悲呼惨叫，人们无处可逃……