Liz and Lorna decide to team up and conspire to sabotage Sean's date with a pretentious ex-boyfriend, Colin. At the same time Max convinces Hunter to help house his flock of pet birds.

When Max decides to go into business with the man who had an affair with Sean's ex-wife, Sean tries to stop him from causing further havoc; Lorna goes on a juice cleanse in an effort to fit into her old college uniform.

As Max's dad, Lee, returns to finally be with Lorna, Sean and Max partner up to do whatever they need to prevent this unthinkable act. Meanwhile Ellie asks for advice from Liz and Hunter which puts them into an awkward parenting situation.

Sean will bedazzle this week as he strives to be a more involved dad at Ellie's school. At the same time Liz and Hunter discover something unsettling when they become temporary roommates. Max searches for a heartbreak diversion.

Sean finds a new best friend, Tippy who proves to be a handful, after discovering a secret Liz has been keeping. Meanwhile, Max strong-arms Hunter and Sean to help fix a bulky mistake he made.

Max enlists Sean's help to pinpoint the mole leaking company strategies to Sean's former boss Andrew, at their rival company. Meanwhile, Lorna and Sean become nervous when Ellie befriends an older girl from school.

Feeling the pressure from Lorna, Sean decides to move beyond being just a "fun dad," and attempts to teach Ellie the value of discipline. Elsewhere, Max messes with Hunter's head.

In order to comfort Liz and her relationship problems, Sean pretends that he has been rejected by a crush. Meanwhile, Lorna takes it further and drives Sean to go on a date with his dry cleaner, Mr. Kim to make Liz happy. Elsewhere, Max uses Hunter as a wingman.

Sean reluctantly agrees to enter a ballroom dance competition with his mother, and then tries to find a way to get out of it. He decides to fake an injury which would prevent him fro dancing.

Lorna has a difficult time learning how to use a smart-cell phone. At work, Max's father Lee visits, which causes more problems for Sean and the other employees. Lee is interested in Lorna, so Sean sets them up on a date.

While worried about Ellie's whereabouts, Sean has a blind date with a Periodontist, Chase. Meanwhile back at the office, Max thinks Sean has a crush on him.

Sean's mother Lorna tries to constantly take care of Sean and Ellie. Sean's friend Liz also helps the father and daughter, which leads to a competition as to who does a better job.

Sean makes plans to spend the evening and have dinner with his daughter Ellie to celebrate her one week anniversary of her living with him. However, Sean's boss tells everyone they have to work evenings.