Eclipse of the Heart

Eclipse of the Heart is the fifteenth episode of Season 8 of Heartland. It aired March 8, 2015.

Summary
Lou returns from Vancouver with an admission that threatens to change the Heartland family forever; she and Peter are separating. Meanwhile, Jack intervenes when he discovers that Tim intends to crash Miranda's wedding in Moose Jaw. Then, when Amy helps Caleb source a horse for Tim's rodeo school, she learns just how precarious Caleb's business partnership is with Jesse. And Georgie fights disappointment when it looks like Peter won't make it home to take in the lunar eclipse with her.