In the near future, a young mother leaves behind a book for her daughter before she embarks on her space journey to the outer solar system in an attempt to communicate with extraterrestrial creatures. Sections from her book are interspersed with her husband's verbal recollections of their love story, which he addresses to their young daughter.

Just before an American college student is set to leave for the airport after visiting her extended family in Ethiopia, she realizes her suitcases are too heavy. A fight breaks out between her relatives about what items should travel with her at their behest, versus which ones deserve to be left behind.

A young man reunites with his wife after she flies from Port-au-Prince to New York City, but seven years apart and numerous affairs have created distance between them.

In the far future, a Welsh woman temporarily moves to a space colony on a distant planet with her husband, Owen. The woman regals her space-born daughter with tales of the wonders of Earth, and her daughter develops a great longing for Earth that eventually puts her life at risk.

When a flight that went missing in a wormhole twenty years ago finally reappears, a distant workaholic father who was on board reaches out to his now-grown son by email.

After one of her father's notebooks is recovered from an icecap, a woman recalls the love story between her mother, a rural woman who always wanted adventure, and her father, an adventurous explorer who disappeared on a voyage to the Arctic.

During WWII, years after his parent's divorce, a college student and his brother visit their father and his new wife. However, the visit leaves him disappointed at what his father's life has become.

A woman allows her grandchildren's road trip games in the Canadian backcountry. Distracted by her own nostalgia, she unwittingly takes them to a strange, unfamiliar house.

After their only child dies during his gap year abroad, a woman reflects on her relationship with her husband and comes to understand that they deal with fear and grief in different ways.

When a paddle-boating excursion goes wrong, a family makes one final sweet memory to cling onto during the years of separation and sadness that follow.