Teenage Morgan realizes her period is late and suspects she may be pregnant with Chris's baby.

Clara picks up a stranded Miller Adams from the side of the road.

Jenny announces to the whole family that she and Jonah are getting married.

Morgan receives a phone call informing her that Chris has been in a car accident.

A doctor informs Morgan and Jonah that both Chris and Jenny have died from their injuries.

Morgan and Jonah visit a hotel and find lingerie in Jenny's bag, confirming the affair.

Jonah leaves baby Elijah with Morgan late at night, devastated by the realization of Elijah's true paternity.

Miller confesses he has had a crush on Clara for three years, and they share their first kiss.

Jonah kisses Morgan after admitting he slept with Jenny out of jealousy over her relationship with Chris.

Clara walks in on Jonah and Morgan kissing and spirals into fury and disbelief.

Morgan discovers Miller asleep in Clara's bed on the morning of Clara's birthday.

Morgan goes to Jonah's house, confesses her feelings, and they have sex for the first time.

Morgan reluctantly reveals the full truth of Chris and Jenny's affair to a devastated Clara.

Morgan and Clara reconcile inside the movie theater and leave together holding hands.

Miller surprises Clara with a secret film montage asking her to prom.

Regretting You begins with a teenage Morgan realizing she is pregnant with Chris's baby, a discovery that shapes the next seventeen years of her life. In the present day, Morgan and Clara are tested when a car accident kills both Chris and Morgan's sister Jenny, shattering the family. In the aftermath, Morgan and Jonah uncover evidence of a long-running affair between Chris and Jenny, forcing both of them to grieve alongside betrayal. As Morgan and Jonah grow closer through their shared pain, Clara spirals into rebellion, convinced her mother is betraying her father's memory. The mother and daughter reach their lowest point before Morgan finally tells Clara the full truth about the affair and the accident. Their reconciliation in a movie theater marks the beginning of a new chapter for both of them, one anchored by honesty and hard-won maturity.

The headline moments that define Morgan and Clara's story.

Teenage Jonah saves watermelon-flavored candy for Morgan at a graduation party because it is her favorite.

Miller introduces Clara to his grandfather and shares his dream of one day attending film school.

Jonah gives Morgan a bag of watermelon Jolly Ranchers as a birthday gift, recalling their teenage bond.

Morgan and Clara complete their birthday board together, with Morgan writing that her goal is to find her passion.

Clara and Miller smoke marijuana together after leaving Chris and Jenny's funeral.

Clara sneaks out of the house to a movie theater and discovers that Miller works there.

Clara drives to Jonah's house and scolds him into returning home to take care of Elijah.

Morgan releases her anger by destroying the kitchen door she has always hated with a hammer.

Miller breaks up with his girlfriend and meets Clara at a coffee shop to reconnect.

Morgan and Jonah discover a stack of letters Jenny wrote to Chris hidden inside Chris's locked toolbox.

Morgan and Jonah throw eggs and condiments at a painting Jenny once gave Chris, laughing together for the first time since the deaths.

Clara gets drunk with her best friend Lexie on her birthday and Morgan stays up caring for her.

Clara adds three wishes to her birthday board: accept Miller, support her acting career, and always be honest.

Clara expresses her genuine approval of Morgan and Jonah's relationship the day after the theater reconciliation.

Miller's grandfather shares his will and reveals Miller will inherit property worth $250,000 to fund film school.

From the very beginning, small gestures between Jonah and Morgan hint at a bond that has never been fully expressed, most notably Jonah saving watermelon candy for Morgan as teenagers. After Chris and Jenny die, the surviving characters find unexpected comfort in one another, including Clara's growing friendship with Miller and Morgan's tentative closeness with Jonah. Key objects and rituals carry symbolic weight throughout the story: a kitchen door Morgan destroys in rage, a painting she and Jonah gleefully ruin with eggs, and letters from Jenny to Chris that Morgan ultimately shreds unread. Clara and Morgan repeatedly struggle to connect, but their shared birthday board tradition keeps a fragile line of communication open between them. By the final chapters, the family has quietly rebuilt itself around honesty, with Clara approving of Morgan and Jonah, and Miller's grandfather offering Miller an unexpected path toward his dream.

The quieter moments that deepen friendships, grief, and first love.

Morgan tells Chris on her birthday evening that she has decided to return to college.

Jonah proposes that Clara and Miller work together on the school film competition.

Clara secretly signs herself and Miller up for the film competition without telling him.

Morgan arrives at the hospital and unexpectedly finds Jonah already there, realizing Jenny was also in the accident.

Clara blames herself for Chris and Jenny's deaths because she was texting Jenny when the crash occurred.

Morgan begins to notice how much Clara and Elijah resemble each other and suspects Chris is Elijah's true father.

In a flashback, teenage Morgan confesses her pregnancy to Jonah at the lake, and he flees town without saying goodbye.

Miller walks Clara into school and holds her hand publicly for the first time.

Morgan appears at Clara's school and publicly confronts her about the relationship with Miller.

Jonah asks Morgan directly about her feelings for him, and they argue when she refuses to answer.

Clara tries to use Miller as revenge against her mother, but Miller stops and refuses to be a pawn.

Clara smashes her phone in Jonah's classroom and Jonah takes her into the hallway to comfort her.

Clara goes to Miller before school to apologize and he tells her he loves her.

Baby Elijah says the word Dada, and Jonah, Morgan, and Clara all break down crying together.

Morgan shreds Jenny's unread letters to Chris and does not look back.

Nearly every major shift in Regretting You traces back to a confession, a discovery, or an impulsive decision made at the worst possible moment. Morgan's long-buried feelings for Jonah originate in a teenage summer, and a flashback reveals that telling him about her pregnancy was the choice that sent him away for seventeen years. In the present, small turning points like Jonah engineering Clara and Miller's partnership on a film project, or Morgan arriving at school to confront Clara publicly, expose the fault lines in every relationship. The revelation that Morgan and Jonah have begun to have feelings for each other sends Clara into a spiral of reckless behavior, culminating in a birthday that forces every secret to the surface. It is only when Morgan chooses honesty over protection that Clara can begin to mature and forgive. The story closes not with a dramatic confrontation but with a quiet moment: a baby's first word reducing the whole new family to tears.