When the devastation of her sister Holly's death trickles into her workplace, Sam finds an unexpected connection with her co-worker Joel. Later, just as a fight with her other sister Tricia leaves Sam feeling further unmoored, Joel offers her a lifeline.

Sam begins to bond with new friends, but her friendship with Joel is threatened over competing outlooks on their future in Kansas. After a disappointing job review and a concerning visit to her parents' house, a distraught Sam seeks help from someone close to Holly.

Sam and Joel embark on a covert mission to uncover the source of her brother-in-law Rick's sudden windfall. Then, choir practice provides Sam with the courage and clarity to share mounting concerns about her mother Mary Jo with her father Ed.

After Pastor Deb asks for an impromptu meeting, Joel prepares for the worst, and promptly breaks out in a vicious neck rash. With money tight, Sam gets creative in sourcing a solution for the upcoming corn harvest, and later, confronts Rick.

With a tornado looming, Sam prepares for a different kind of storm as she shares the truth about Rick with Tricia. After impulsively adopting a dog, Joel realises he wants more out of life.

After a surprising update concerning her recent job performance, Sam must evaluate her next step. Meanwhile, Tricia and Charity's working relationship grows complicated, and a visit to Mary Jo in rehab brings some difficult family truths to light.

In her quest to reinspire Joel, Sam recruits a small team to help and reveals a new potential location for Choir Practice. Later, on a purple party bus, Sam realises just how far she's come.

With help from friends and the power of music, Sam furthers her journey to find her people - and her voice.

Fred throws Sam, Joel, and Tiffany a curveball: not only is he engaged, but he wants them all to be a part of the wedding. Tasked with singing at the ceremony, Sam seeks help from a former voice teacher. Meanwhile, Tricia can't escape small-town gossip.

As Mary Jo's behaviour worsens, Sam and Tricia grapple with the difficult decision of escalating her care. Then, as Tricia pitches her services for Fred and Susan's wedding, Joel has a crisis of faith, and Sam struggles to get back in touch with her instrument.

While on their way to Wichita, Sam and Tricia finally tell Mary Jo why they're temporarily moving her from the care facility. After accidentally blowing his own cover stalking Brad, Joel opens up about his personal crisis stemming from Fred's upcoming wedding.

While celebrating Tricia's birthday, Sam is blindsided by surprising new information about Holly. Then, as Charity's lies continue to affect Tricia's social life, Joel makes a move with Brad… which leads to a misstep with Sam.

Distancing herself from Joel, Sam concentrates on helping Tricia with her blossoming pillow business - which soon faces sabotage from Charity. Meanwhile, Fred attempts to play peacemaker with Sam and Joel.

After reuniting with Joel at a funeral, Sam takes stock of herself and her actions - and decides to make things right with her best friend. Then, everyone comes together for an epic celebration of love and partnership at Fred and Susan's wedding.