INSIDE BURNING BUILDINGS, Captain Caleb Holt lives by the firefighter's adage: NEVER LEAVE YOUR PARTNER. Yet at home, in the cooling embers of his marriage, he lives by his own rules. Growing up, his wife Catherine always dreamed of marrying a loving, brave firefighter . . . just like her father. Now, after seven years of marriage, she wonders when she stopped being "good enough." Countless arguments and anger have them wanting to move on to something...

Facing divorce after seven years of marriage, Captain Caleb Holt accepts a challenge from his father to commit to a forty-day experiment called "The Love Dare," and ultimately finds himself fighting to win back the heart of his wife.

When Thomas and Percy smell smoke, they know there is only one engine who can help, but they are unsure that Flynn can race to the rescue in time.