Beat takes on one of the most perilous builds of his career, a luxury twin-turreted vacation home on the edge of 100-foot cliff. Meanwhile, Joel travels to Moscow to teach Russian carpenters how to finish a log mansion Pioneer-style. And it's sink or swim for Peter tackling local river rapids on his rickety handmade raft.

In Alberta, Beat is tasked with building one man's dream home on the picturesque farmland where he grew up. Meanwhile, Joel must pull out the stops to deliver on a wealthy client's last minute requests, including a giant walk through tree and elaborate totem pole. And Peter brings his favorite crane operator back from maternity leave to help judge Pioneer's first crane competition.

A reluctant Joel joins forces with his wife to construct a backyard obstacle course that he hopes will prepare them for one Tough Mudder of a race. Meanwhile, Beat battles torrential rains, swollen logs and a mud mired build site to create a high-end cottage on a Minnesota lake. And Peter builds a gazebo for his favorite 88-year old – a prized 1927 tractor.