A mother and son find themselves faced with a brutal alien invasion where survival will depend on discovering the unthinkable truth about the enemy.

Decades ago, the USSR developed unkillable sharks and launched them to the moon. Today, a team of American astronauts will endure the fight of their lives.

When Rumpelstiltskin tries to take over Earth once and for all, The Avengers Grimm must track him down through time in order to defeat him.