Phil Schreiber, a self-involved hedge fund manager living in New York City, escapes to the Hamptons with his wife and son at the beginning of the COVID-19 pandemic. Making an already fraught situation worse is the surprise arrival of Phil’s college roommate Charlie, an exemplar of Falstaffian excess. As Charlie makes himself at home, secrets are revealed that threaten to do more harm than the virus they’re all trying to avoid.

Even though Gwyn Marcus is engaged to her boyfriend, Matt, she is still afraid of commitment. While she admires her parents' loving relationship, she discovers that her family has not always been faithful in marriage, making it harder than ever to settle down. As her mother pressures her to get married, and plenty of attractive men appear in her life, Gwyn learns that she must balance her career, relationships and marriage to be truly happy.