Alba (age 20) and Dídac (age 10) are the only survivors of a catastrophe that has devastated the planet. Their survival will mark a new beginning for humanity.
While in his teens, Donny fathered a son, Todd, and raised him as a single parent until Todd's 18th birthday. Now Donny resurfaces just before Todd's wedding after years apart, sending the groom-to-be's world crashing down.