McKayla (Kayla) Montgomery thought she had love figured out - until it broke her. First, when her father's affair shattered her picture of a perfect marriage, and again when the man she once believed was her forever walked away without warning. Since then, she's guarded her heart, convinced that love is fleeting and that people always leave. But when she travels to Texas for her best friend's wedding, everything changes. What was supposed to be a fun week in Austin turns into an unexpected connection with Glen Powell, the best man with an easy smile and a charm she can't ignore. What starts as playful flirtation turns into something deeper, something undeniable. But old wounds run deep, and even as Glen chips away at her walls, she struggles to trust what's in front of her. As stolen moments turn into sleepless nights and a slow-burning romance ignites under the Texas sky, she's faced with a choice: keep running from love, or take a chance on the one person who might actually stay.

Glen has seen all of her movies, from the tiniest roles, to her big breakout role that landed her at the Golden Globes alongside her co-star, Dalton Lane. Glen goes on a wild goose chase trying to connect with her when through chance, he ends up at a table read with her. Set to star next to her as the male lead. Isla only asks one thing of him. "We have to make it look like we don't mean anything to each other."

While having a night off Glen meets a girl in a bar named Beth things get a little carried away between the two of them a month later Beth finds out she's pregnant with Glen Powell's baby. What will happen when they meet again and can they nagivate the journey of parenthood together?