When obsessive free-spirit Stephen finds out his teen half sister Sarah is pregnant, he desperately tries to convince her to keep the baby. Sarah finally agrees when Stephen promises to father the child, and in a quite unconventional manner, they embark on the journey of parenthood—for which neither is ready.
Will the already burdened, ill-suited siblings be able to take on the responsibility of parenthood and make it work amongst the messiness and uncertainities?