While acting as the Mayor's divorce lawyer, Michael is attracted to his opponent, Laurie Parres. Meanwhile, the press thinks Paul has suffered a nervous breakdown, so Michael enlists a psychiatrist, Dr. Benjamin, to pronounce Paul sane. But his plans go awry when Dr. Benjamin unexpectedly commits Paul to an institution.

When Mike's new girlfriend, Laurie, bonds with Nikki, Mike must compete with his own staffer for Laurie's attention and free time. Meanwhile, Paul's bombshell mom dazzles his coworkers when she visits the office, and the Mayor is in a mess over an X-rated video.

Mike finds out that his new girlfriend, Laurie, isn't looking for commitment, which he thinks is great-- at first. Meanwhile, James has a mysterious new hobby, which Stuart and Carter are determined to uncover. And Janelle asks for a raise with surprising results.

Michael tries to dissuade the Mayor from a relationship with Jennifer, a much younger woman. However, as Mike deals with his own relationship troubles, Jennifer makes a pass at him. Meanwhile, Paul is acting as Michael's assistant, and enjoying it so much that he can't bring himself to hire the best candidate for the job, Stacy Paterno.

Faced with the prospect of spending Valentine's Day alone for the first time in eighteen years, Mike is thrilled when old flame Laurie steps back into his life. But he doesn't know what to do when she discovers a ring Mike was holding for Paul, and assumes it's for her. Meanwhile, Paul plans to propose to Claudia.

When Laurie accepts Mike's proposal, he begins to worry that they are too different. Meanwhile, Paul struggles to get the courage to propose to Claudia, and various staff members fantasize about what their life would be like if they married Mike.

The Mayor brings an abandoned baby to City Hall. Mike's old girlfriends voice opinions about him. The Mayor sends James to see a psychiatrist for him, concerning his sexual problems. Mike wants to adopt the baby. The Mayor takes Viagra to help him out. Mike's interview with the social worker doesn't go very well. Nikki prepares to tell Mike about her crush on him, but can't quite get the words out.