There are many things in life that could do a number on a man's masculinity. Lenny Babbitt has his identity and manhood challenged when his wife Tracy leaves him for a female doctor named Iris who has been treating their autistic son Isaac.
Set in the Aokigahara Forest, a real-life place in Japan where people go to end their lives. Against this backdrop, a young American woman comes in search of her twin sister, who has mysteriously disappeared.
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.