Hannah decides to quit teaching and leave her boyfriend, Jack, and return home to Chicago to become a writer. On the flight home to Chicago, Hannah meets and helps Marty deal with his fear of flying and he tells her about a research job open at Chicago Monthly, the magazine where he is a writer. Hannah goes down the magazine to apply for the job, meets the editor and is challenged to write a 2,000 word article on ""the tortilla wars, does Chicago prefer corn or flour?"" for 9 o'clock the following morning.

Hannah's first deadline prompts her first fight with Marty when she loses his article in the computer and he doesn't have a backup, much to Pamela's delight.

Hannah's old boyfriend and Marty's ex-college roommate are one in the same person, and Jack tries to convince her that he has changed. Meanwhile, Hannah and Marty are working on a story that will expose a charity scam.

Marty doesn't want anyone to know he is living in fear when he receives his first death threat.

Marty is in turmoil when his mother stops by for a visit and Hannah gets him face his relationship with her, so he can get rid of all the angst it generates.

Hannah is down in the dumps and Marty gets dumped, so the two of them go out together, for her birthday and the end of his relationship with Alice- but it's ""not a date"".

A friend of Marty's, a Hollywood producer, decides to ""do lunch"" with Hannah when he wants to make a movie about one of her stories, something Marty has rejected for a long time.

A woman arrives and threatens to make Brian's life a living hell, by threatening to get back at him for the bad review he gave that caused her husband to die. Hannah meets Marty's ex-fiancee at his family's Seder and sees that the old flame may still be lit.

The development of their romance is put on hold when Patrick Serreau, a world class photographer, comes to Chicago to take pictures for the magazine. Patrick's interest in taking pictures isn't as great as his interest in Hannah.

Patrick thinks that he has a great working chemistry with Hannah when they put together a their story on toxic-waste, so he offers he a chance to work with him in West Africa.

As Hannah prepares to accompany Patrick to the jungle, he and Marty contend with the urban jungle; there Patrick shows his true colors.

After Hannah & Marty complete their relationship they begin to fantasize how everyone at the office will react.

Marty and Hannah have their first relationship-related fight the next day at work when Marty must edit her article and Hannah resents the changes.

Much to Hannah's dismay, Marty must accompany a swimsuit model to the Caribbean for an interview during her latest photo shoot.

Hannah befriends the mistress of a billionaire just to get her exclusive story, but regrets it later when she finds out what she is really like.

Hannah gets called away and Marty is left totally alone to entertain Hannah's 5-year-old niece, Marty's appendix has other ideas.

On Valentine's Day, Marty must find a way to rekindle their relationship when Hannah decides the fire has gone out.

Catherine tries scream therapy as a way to reduce tension. Robin becomes a fifth wheel in her relationship with Hannah and Marty.

A new magazine puts feelers out for Hannah, so Catherine plans to give her a raise to keep her. Consequently, Marty's self-esteem drops because she'll make more than he does.

A home pregnancy test turns up positive. Hannah and Marty make plans to get married in a hurry; however, the doctor's results are a bit different.

Marty exposes a cult and they retaliate by exposing facts about the staff. Marty becomes worried because he has one thing about him and Catherine that he hasn't yet mentioned to Hannah.

A young girl gets to be editor for the day, which sets the tone for Marty and Hannah imagining what love would have been like if they had met at a younger age. They do this while celebrating their 1st anniversary of knowing each other.

Marty must place his mother in a home when her failing memory begins to force the issue.

Hannah makes a joke about the best sex she ever had, Marty sets out to find out the details after he finds out it wasn't him.

Marty's bad day is made worse when Hannah takes him on a train trip but the only thing on his mind is ""Murder on the Wisconsin Express"".