Bay Khudi is a tale of Fiza who shifted to her aunt’s house along with her mother after her father’s death. Saad’s (Noor Hassan) mother loves Fiza as her own daughter. Fiza is happy because of Saad who’s her cousin and best friend, however Saad has feelings for Fiza. Fiza luckily gets engaged to Asher whom she loves and doesn’t realize what Saad feels for her. Saad couldn’t accept the reality that Fiza is not his anymore and that’s where his love for her turns into obsession.