
A reclusive and butterfly-obsessed elderly lady suffering from bipolar disorder develops a disturbing relationship with a mysterious but seemingly innocent youngster.

Two young couples are tapped in a car with a grizzly bear attacking them. As they battle the creature, and contemplate their uncertain fate, secrets begin to emerge that begin to tear the group apart before the bear.

As a boy and his guardian wait to be rescued, they soon encounter the mysterious Yeren-- an elusive ape-man creature.