Allison is upset to find out that Ken hasn't had a physical in years and urges him to do so. Ken asks Julie to sign that he's had a physical, but Julie insists on doing the real thing due to her professionalism. After the physical, Julie learns that Ken is suffering from moments of high stress - he blames Allison at first, but then they both realize it's due to their kids and their growing concerns. Meanwhile, Molly is having trouble holding down a job to earn money to go to skiing, but uses her entrepreneurial spirit to make the den's bathroom available to a nearby film crew - much to her parents' dismay.

After Ken's dad arrives for an impromptu stay, he starts taking on chores that Ken hasn't gotten around to doing -- like buying and installing a much needed new dishwasher, but then Ken purposefully breaks it. Meanwhile, Damona and Pat hook-up after a drunken night together. But instead of clinging to Damona the next day, Pat makes an announcement that takes Damona by complete surprise.

After Ken helps Dave in asking a girl he likes to go with him to the Valentine's Day dance, the plan quickly goes awry when Ken finds out that her dad (Joel McHale guest stars) is the well-known and rich malpractice lawyer whom he's had issues with in the past. Can these two "adults" put aside their dislike of each other for the good of their kids? Meanwhile, Julie changes her Valentine's Day party into a Presidents' Day party to cover up her rejection from Topher (Danny Pudi guest stars). So when Topher suddenly shows up, Damona and Clark provide their support.