The Threesome

Connor is drawn to Olivia, a prickly, guarded woman. Greg nudges him to pursue Jenny, a graduate student who had been stood up. Olivia unexpectedly inserts herself into the flirtation, and the trio ends up drinking, dancing, and sharing a threesome.

Olivia panics about her emotional attachment and leaves Connor at dawn. He ends up sleeping with Jenny, the woman involved earlier in the night. He then tracks down Olivia and persuades her to give a relationship with him a try.

Connor and Olivia go on their first date and immediately click. They become inseparable, enjoying a whirlwind six weeks as a couple.

Olivia soon discovers she is pregnant, and Connor is overjoyed at the prospect of starting a family with her.

Jenny appears on Olivia and Connor's porch and reveals that she is pregnant by Connor. Olivia is devastated and ends their relationship, resolving to get an abortion.

Connor drives Olivia to an out-of-state abortion appointment, offering calm support through the process. The trip rekindles their emotional bond, prompting Olivia to reconsider the decision.

On the way back, Connor sees a text from a former partner of Olivia's, and hurt by the truth, breaks up with her. The relationship collapses, and both begin moving on separately.

Connor shifts his support to Jenny, driving her to Olivia's doctor and going along with the pretense of a stable couple for her parents. The questionable choices strain his judgment as he weighs simple, conventional life against his lingering feelings for Olivia.

During a heated argument, Olivia points out Connor's two-pregnancies brag and still loves him, fantasizing about getting back together. Connor is thrilled by the prospect of renewing what they had.

Olivia's married fling shows up and reveals he never had a vasectomy, introducing a potential paternity question. Olivia quietly plans to take a paternity test to determine the real father.

Olivia and Jenny give birth on the same day. Connor discovers he is not the father of Olivia's child and leaves to attend Jenny's birth, where she gives birth to a daughter.

Connor and Jenny have been co-parenting, and Jenny is moving into her own house. Olivia arrives with her daughter on moving day, confesses her love, and Connor agrees to give their relationship another try.

In the post-credits moment, Greg plans to tell the story of Connor, Olivia, and Jenny during his toast at the wedding, suggesting more drama to come. The scene teases a future chapter for the trio.