Pythagoras taught that the planetary spheres moved according to mathematical ratios, forming a cosmic harmony that echoed through the universe. Credit: Samuel Grant, Wikimedia Commons, Public Domain.

Almost everyone has done it. Fired off a message you wish you could unsend. Said the cruel thing in the middle of a row, the one that cannot be taken back. Slammed a door, quit on the spot, hit send ...

In The City follows New Yorkers as they navigate the biggest transitions of their lives at the time: marriage, separation, parenthood, reinvention, and the reality of growing up without growing apart.