YA adaptation queen Chloë Grace Moretz herself stars in sci-fi film "The Fifth Wave." In the movie, the human race faces extinction when an alien invasion causes tsunamis, earthquakes, and disease. All Moretz's character, Cassie, wants is to reunite with her little brother. At the end of the day, isn't "The Hunger Games" about a sister wanting to protect her sibling with the hope of surviving another day so they can be reunited? In both "The Hunger Games" and "The Fifth Wave," family is everything.