When Leslie decides to marry two penguins to promote the local zoo, she inadvertently causes an uproar when both penguins turn out to be male. Meanwhile, Mark puts Ann in an awkward situation when he asks her to go see a movie.

Leslie enlists the help of Dave and Andy in order to catch a local teen vandal. Meanwhile, Ann struggles to make her Halloween party fun, and ends up getting help from an unlikely source.

After an amazing date with Justin in Indianapolis, Leslie tries to impress him with a dinner party at her house.

The Parks Department forms a partnership with a local company to sell energy bars at the parks in Pawnee, but Leslie tries to stop the deal when she discovers how unhealthy the snacks are. Mark reluctantly agrees to help Tom move out of his house.

When Leslie hears her mom’s story about an old flame, she and her boyfriend Justin track him down and reunite them on Valentine’s Day. Meanwhile, Andy and his band are nervous about playing a gig at the Senior Center.

April and Andy host a dinner party for the Parks Department. Meanwhile, Ann tries to move on from Chris at a singles' party.