Manhattan

New York City is full of lonely hearts seeking the right match, and what Alice, Robin, Lucy, Meg, Tom and David all have in common is the need to learn how to be single in a world filled with ever-evolving definitions of love.

In the wake of their friends' marriages and eventual offspring, longtime pals Julie and Jason decide to have a child together without becoming a couple. By becoming "time-share" parents, they reason, they can experience the joys of parenthood without significantly curbing their personal freedom. However, when Julie and Jason both become involved with others, they discover that they secretly harbor romantic feelings for each other.

Two lifelong friends navigate complex sexual encounters and emotional entanglements, wrestling with societal norms and personal desires.

Resolving to achieve professional success without compromising her ethics, Lucy embarks on a ruthless game of one-upmanship against cold and efficient nemesis Joshua, a rivalry that is complicated by her growing attraction to him.