Luke disappears after discovering a secret Prudence had been keeping, putting their future and her immigration status in jeopardy; Lizzy comes up with an idea that surprises everyone.

On a group trip to Las Vegas, Luke, Prudence and Lizzy visit the chapel where Nick and Prudence got married – only to discover that it was a sham and their marriage is not legal. Lizzy takes it upon herself to plan a spectacular new wedding with a special surprise. However, the group is in for an even bigger surprise about Prudence’s past life in England.

Prudence tries to convince Luke and Lizzy to spice up their lives.

Luke and Prudence help Lizzy make a date with her secret crush.

Prudence moves into Luke and Lizzy's apartment -- along with a mess of belongings.

Luke and Lizzy, inseparable pals since childhood, decide to have a child together as friends.