Betting on Paradise

The race is on to complete the poolside guest rooms, but Luke's progress is threatened with a red-tape snafu that brings work to a standstill. Also, a celebrated mural painter has a vision and the family heads into the rainforest for a zipline adventure.

With work on the pool area at a standstill, Steph and Luke kick the garden rooms into high gear. The pool bar gets under way, but the garden plan hits a concrete roadblock. Also, Luke's parents arrive in Costa Rica with plenty of love and encouragement.

When catastrophic news threatens to derail the entire project, Steph and Luke come up with an emergency plan, but it all hinges on completing the casita suites. And now that they're down to just a few thousand dollars, it's game on for a critical reveal.

With just days until the combined wedding and grand opening, the team kicks construction into overdrive. The knockout pool bar surpasses expectations, and without a minute to spare, it's two celebrations in one as everyone heads to the beach at sunset.