Amy and Ty are the beloved couple of the popular Canadian TV series, “Heartland”. Throughout the series, they go through many ups and downs, but their relationship remains strong. However, there is a storyline in which Amy cheats on Ty, which causes a major rift in their relationship.

In season 8 of “Heartland”, Amy and Ty get married and are expecting their first child. However, they face many challenges, including financial difficulties and complications with the pregnancy. During this time, Amy becomes close to an old friend from her riding days, Caleb, who is also facing his own struggles.
In episode 16 of season 8, titled “Faking It”, Amy and Caleb share a kiss while working on a project together. Amy immediately feels guilty and tells Ty what happened. Ty is understandably hurt and angry, and their relationship is strained as a result.
In the following episodes, Amy and Ty try to work through their issues, but it is not easy. Ty struggles with feelings of betrayal and mistrust, while Amy tries to make amends for her mistake. They seek the help of their family and friends, including Jack, Lisa, and Georgie, who offer their support and advice.
Eventually, after a lot of soul-searching and honest conversations, Amy and Ty are able to reconcile. They reaffirm their love for each other and commit to working through their problems together. The experience ultimately strengthens their relationship and brings them closer together.
It is worth noting that Amy’s cheating is not depicted as a positive or acceptable behavior in the show. It is shown to have serious consequences and to cause a lot of pain and heartache. The storyline serves as a reminder that even the strongest relationships can face challenges, but with honesty, communication, and forgiveness, it is possible to overcome them.
In conclusion, Amy cheats on Ty in episode 16 of season 8 of “Heartland”, titled “Faking It”. The storyline is a significant plot point in the series, and shows the challenges that even the most loving and committed couples can face. Ultimately, Amy and Ty are able to work through their issues and strengthen their relationship, but not without a lot of hard work and soul-searching.