When Amy helps a mounted archer reconnect with her horse, she also unravels the mystery behind Spartan's recent behavior. Meanwhile, Georgie is keen to tackle an exciting new challenge but her relationship with Adam is tested when he finds her spending time with another guy. Hoping they will finally have a chance to talk, Lou is surprised by Mitch's reaction when she unexpectedly descends on his solo fishing trip. And when Lisa accidentally throws out the key to his famous stew, Jack grows increasingly frustrated trying to recreate the recipe.