Six months after their sudden breakup while planning their wedding, famed architect Deniz and influencer-editor Güneş cross paths — just as a mysterious message appears on their phones. A fan from Cappadocia has left them a house, but to claim it, they must continue the "Mr. Alpha" game. Güneş, eager to fund her sister's education, wants to end things with Boran and focus on the inheritance. Deniz, ready to leave his toxic relationship with Umay, struggles with old emotions reignited by Güneş's presence. As they navigate this unexpected journey, pretending to be a couple once more, both must confront the unresolved feelings that still linger between them.

To claim a house left to them, Güneş and Deniz must convince a lawyer in Cappadocia they're still lovers. Guided by the late owner's will and letters left along the way, they slip deeper into the roles they're playing — often forgetting it's just an act. As they rediscover pieces of their past, they inch toward an unexpected ending, unaware that Umay and Boran have followed them, ready to shatter the illusion.