A young man discovers a hole in the floor of a local motel that leads to yesterday.

Two strangers brush hands on a train and move in together days later, fabricating the history of their love as they go along.

GAYBY BABY follows the lives of four kids - Gus, Ebony, Matt and Graham - whose parents all happen to be gay. As they each wrestle with personal change, the outside world wrestles with the issue of marriage equality, and whether or not kids of same-sex families are at risk.