Amy is bursting to ask Ty about the engagement ring, and why he hasn’t proposed yet, but a couple of ‘runaways’ throw everything at Heartland into turmoil. Meanwhile, as Lou tries to keep it a secret that she knows about the ring, she and Peter must also cope with the money pit that the Hanley Farm renovation has become. Lou is under so much stress that when things start to go missing around Heartland, she thinks she’s losing it.