Federal agent Alexandra Barnes believes that Catherine Petersen is a serial killer who marries rich men and then murders them for their money. But since Catherine is seemingly a master of disguise and has multiple identities, Alexandra can't prove anything with conventional detective work. With no other option, she goes undercover, pursuing the same man as Catherine, and hoping that Catherine will slip up and reveal her true identity.
A four-time widow discusses her four marriages, in which all of her husbands became incredibly rich and died prematurely because of their drive to be rich.
Six New Yorkers navigate love, commitment, and adulthood. When struggling novelist Sam takes in an abandoned boy he meets on the subway, his life begins to intertwine with a talented singer who challenges his bachelor ways. Meanwhile, his best friend Annie battles alopecia while torn between two drastically different men, and a long-term couple faces a crossroads that could alter their future together.