Will Cooper has been so focused on raising his daughter, Sophie, he's lost sight of who he is as a man and has headed deep into the parental vortex. When the other single parents - Angie, Douglas, Poppy and Jake - at his daughter's school see just how far down the rabbit hole of PTA, parenting and princesses Will has gone, they band together to get him out in the world and make him realize that being a great parent doesn't mean sacrificing everything about your own identity.

Graham and Rory are cast in their school's production of "Grease," with Graham as the lead and Rory with a lesser-known part; Poppy and Angie try to appeal to the drama teacher to make changes; Will lies to Sophie about Dr. Dewan.

Will encourages Angie to rediscover her passion for heavy metal music by taking a guitar class; Douglas pursues his crush on Big Red; Poppy feels an instant connection with a musician.

Will ropes his new love interest into helping him plan the first-grade parent social; Douglas wants to exact revenge on his rival dermatologist, whom Douglas is convinced stole his prized pen.

Angie enlists Will's help in finding a last-minute gift for Owen; Graham begins to doubt the existence of Santa Claus; Douglas invites Poppy to compete in a series of cutthroat Christmas-themed competitions.

Douglas discovers that Amy is a math genius; Graham makes a new friend at school, causing Angie to have to spend time with his new friend's mom.

Douglas agrees to baby-sit the kids on Valentine's Day; Douglas and Big Red band together to help Graham with his Valentine's Day emergency; Will and Miggy help Angie finish her deliveries so she can be with Owen on Valentine's Day.

When Poppy's ex-husband gets serious with his latest girlfriend, Poppy has to deal with the reality of another woman helping to raise her kid; Miggy gets cold feet after asking Douglas to remove his tattoo of Zara's initials.

Seeing that baby Jack is about to walk for the first time, Miggy tries to recapture his youth by throwing an epic party; when the party doesn't go as expected, he insists that Poppy and Douglas help him; Angie's boyfriend meets Graham.

To celebrate Angie's 30th birthday, Will throws a big party re-creating Ozzfest; Douglas takes Graham shopping to help him find the perfect gift for Angie.

Will starts to date someone new and ditches his TV-watching plans with Angie; Poppy and Douglas bond over working on Rory's class president campaign until Poppy finds out about some of Douglas' shady campaign tactics.

Will forgets to send in Sophie's deposit for space camp, so he must woo the owner of the company in order to get her spot at camp back; Poppy deals with unwanted old feelings for her ex Ron as she helps him plan his wedding.

After learning that Angie's ex lives near Space Camp, Will convinces Angie to confront him about leaving her when she was pregnant; Poppy internally struggles with who she truly has romantic feelings for.