Financial woes are hitting the Boomtowners hard, leading to major decisions that could have life-altering effects. For Chris, the CEO of Liberty, a downturn in oil prices leads to a risky gamble that could mean trouble for the company. Larysa and Haley start selling puppies to pay for their wedding. Ben pushes his lockbox invention to prove to his wife, and himself, that he can follow through on his dreams. And Sean faces a big choice when it looks like his own dream of being a full-time pastor could become a reality.