When Kevin tries to "help" a local brewer, his intentions go awry. Amy struggles to understand Kevin's strange behavior while still mourning her husband. Meanwhile, Kevin rekindles an old flame with unexpected consequences.
Kevin takes on the job of wedding planner and questions whether the wedding should even take place; Amy gets Kevin's shrink from New York to visit; Reese spies on Kevin; and Yvette realizes that she is quite alone in her endeavor.
When the universe leads Kevin to help Lucille, a mean-spirited diner owner with some family drama, he quickly finds himself stuck in the middle of a tricky situation with her equally difficult sister. Meanwhile, Yvette begins to struggle with the side effects of being on Earth.
After draining his bank account in service of others, Kevin looks for a different way to help a single mom who's drowning in her son's medical bills. Meanwhile, Reese uses a school project to learn more about her uncle, and Yvette struggles with the full range of human emotions.
Yvette has her reservations when Dave, another celestial being, pops up looking to join her and Kevin on their latest mission: Reconciling Kristin and her mother under challenging circumstances. Elsewhere, Nate tries to work up the nerve to ask Amy out, completely unaware of her budding chemistry with a potential beau.
Kevin and Yvette believe that Kevin's latest vision is a sign that they are getting closer to something as it is a recurring one of blue butterflies, he last having seen them after helping Reese. Thus Reese may be the key to discovering what it all means. But in following the latest leads which Kevin thinks are going to lead to Reese, they lead instead to a man named Ethan, a continuing education art teacher, who is an artist himself but who is afraid to show his art in public despite being given the opportunity time after time as he finds more comfort in the unknown ...
Convinced that the universe is leading the way, a very confident Kevin heads to Laos with Tyler in search of the first righteous soul. Meanwhile, Yvette has her doubts about their mission and has a chance encounter with Tyler that changes both of their outlooks. Back in Texas, Amy goes all out decorating for Christmas and decides whether or not she's truly ready to date again.
Reveling in his success after finding the first righteous soul, Kevin attempts to help a man start dating again after a bad break-up. Meanwhile, inspired by Kevin's good deeds, Reese befriends the new girl at school, and Amy finally finds the courage to ask Nate out on a date.
As the newest substitute teacher at La Salle High School, Kevin tries to help an introverted student become more self-assured and popular. Meanwhile, Yvette contemplates life after the mission, and Amy and Nate struggle to plan the perfect first date.
In following the latest signs provided by the universe, Kevin meets Phoebe Powell. According to Reese, Phoebe is probably the person who has been doing anonymous good deeds around Taylor for the last ten years. As her identity is unknown, she has been given the name the Acorn Fairy by locals for the acorn stencil left at the scene of her deeds. Kevin learns, in speaking to Phoebe who admits that she is indeed the Acorn Fairy, that she seeks no fame or recognition in her deeds, but that she has one dream which she has been unable to achieve, namely to open an animal ...
Looking to put an end to the "Lady of Laos" fiasco, Kevin travels to Canada in search of Tyler. However, his priorities quickly shift when Kevin realizes that deceiving Tyler actually means finding the next righteous soul. Meanwhile, Amy and Nate draw closer, and Yvette learns that she isn't the only celestial being susceptible to injury.
In doing a favor for Amy, Kevin finds the next person who he is supposed to help. He is a young man named Marc, who is driving across the country in an effort to find a place to set down roots. He seemingly has no money and is looking for odd jobs - as opposed to a permanent job - in an effort to support himself as he is on the move. He is living in his truck, the issue now being that his truck has been impounded for an expired registration, the money he doesn't have to renew that registration to get the truck out of impound. Beyond Kevin giving him those odd jobs, ...
Feeling guilty about the role he played in getting the former high-school security guard fired, Kevin looks to help Becky follow her true passion: inventing. With Amy and Tyler's assistance, they enter Becky's newest invention into a local Entrepreneur Expo with hilarious results. Meanwhile, Yvette is forced to come to terms with Dave's disappearance.