On their way home from a party in eastern Europe, sisters Abi and Lily get lost. With no signal and an unreliable GPS, they try to navigate their way out…

With nuclear war looming, a military expert in underwater acoustics strives to prove things aren’t as they seem—or sound—using only his ears.

Taking place after alien crafts land around the world, an expert linguist is recruited by the military to determine whether they come in peace or are a threat.