The Best Man

Harper Stewart, a rising author, has his debut novel Unfinished Business selected by Oprah's Book Club, boosting his career. His devoted girlfriend Robyn resents his reluctance to commit. The success triggers a weekend trip to New York for Lance and Mia's wedding, bringing old friends back into his orbit.

Harper travels to New York City to spend the weekend with college friends before the wedding. He reconnects with Julian 'Murch' Murchison and Jordan Armstrong, who have already circulated an advance copy of his book among their inner circle. The trip promises camaraderie but also unsettled tensions beneath the surface.

Flashbacks to their college days reveal tangled histories: Lance met Mia through Harper; Harper almost slept with Jordan; Quentin antagonizes Lance about Mia. The scenes underscore the love triangles and long-held resentments that will spill into the present weekend. The group notices Murch's habit of blurring boundaries.

Harper worries that Lance will discover Mia slept with him in college, especially when Lance has a copy of Harper's book. The possibility of exposure threatens to unravel friendships and the wedding plans. The tension pushes Harper toward trying to keep secrets hidden.

Jordan confesses she wants to have sex with Harper that night, complicating the weekend's dynamic. Robyn arrives for the wedding the next day, and she and Harper share a kiss, reigniting their complicated relationship. The confession and kiss set up a volatile emotional triangle.

Lance confronts Harper in the bathroom, but the exchange remains restrained as Lance thanks his friend for sticking by him. The moment is interrupted before Harper can reveal his secret. The tension foreshadows the looming reckoning over past choices.

At the bachelor party, Harper steals Lance's copy of Unfinished Business, tipping off others to his secret. Quentin senses the truth, while Murch falls for Candy, a stripper, adding to the chaotic mood. The party exposes the fractures in the group and the private betrayals beneath the surface.

Lance reads the copied book and discovers Mia slept with Harper in college to get back at him for his infidelities. He attacks Harper in a fit of rage, nearly throwing him off a balcony until Quentin talks him down. The revelation forces a dramatic halt to the wedding plans.

The next day Harper arrives at Jordan's apartment to be confronted about the book's spread. She rebukes him for airing his own dirty laundry and for leading her on. The exchange leaves Harper more determined to salvage what he still values.

Robyn goes to the airport, notices Harper's injuries, and Harper confesses his love and desperation. Robyn agrees to stay and help save the wedding, signaling a fragile reconciliation. The couple's decision becomes central to the weekend's final act.

At the church, Murch breaks up with Shelby; Lance arrives and is encouraged by Harper to pray. After sharing a faith-based moment, Lance proceeds with the wedding despite earlier doubts. The ceremony becomes a turning point toward forgiveness.

Harper delivers a heartfelt speech praising Mia and Lance's love, moving the couple and earning Lance's forgiveness. Shelby pushes a bridesmaid aside while Quentin catches the garter, signaling a shift in the group dynamics. Jordan finds closure with Harper and recognizes Robyn is the right partner for him.

On the dance floor, Harper asks Robyn to marry him, and she says yes in front of the entire wedding party. The couple's reconciliation caps the weekend on a hopeful note. The party ends with everyone dancing the electric slide to Candy by Cameo.

In the post-credits scene, Shelby and Quentin wake up in bed together, stunned and disgusted by what their night revealed. The moment adds a final twist to the weekend's chaos and hints at unresolved complications beneath the surface.